Vocabulary

  • look at: To use your eyes to focus on something
  • based on: To use something as the foundation or starting point for something else.
  • pile up: To put things on top of each other to form a pile
  • think of: To look on as (being something specific); consider
  • over time: Gradually; as time passes.
  • read out: To read something aloud so that other people can hear it.
  • separate out: To extract or distinguish something from a mixture.
  • energy sources: Materials or processes that can produce energy.
  • in the bucket: Situated or contained inside a bucket.
  • depending on: To rely on for support (financial or emotional)
  • deal with
  • move along: To make progress; advance.
  • drive down: To cause something to decrease or become lower.
  • at least: As a minimum
  • feel like: To have a desire or inclination for something.
  • leak out: If secret information leaks out, it becomes known to the public.
  • spread out: To extend or stretch over a large area.
  • fill up
  • point in time: A specific moment or instance when something occurs or exists.
  • in time: Eventually; after a period of time.
  • due to: Because of; owing to
  • see in: To accompany someone to the entrance of a building or room.
  • such as: For example; like
  • have to: Must do
  • rely on: To depend on someone or something
  • interact with
  • zoom in on: To adjust a camera or lens to make a subject appear closer.
  • in on: To be involved in a secret or plan.
  • lead to: To result in some action
  • do in: To make completely tired out and exhausted
  • take out: To apply for and get a license
  • as opposed to: In contrast to; rather than.
  • source for: A place, person, or thing from which something comes or can be obtained.
  • used to: Did regularly before, but don't do now
  • improve on: To make something better than it was before.
  • head out: To leave a place; depart
  • instead of: When one thing is replaced by another
  • in practice: In reality or actual use; as opposed to in theory.
  • drop off: To leave someone, something somewhere
  • to let: Indicates that a property is available for rent.
  • ultimately: Done or considered as the final and most important
  • specific: Precise; particular; just about that thing
  • potential: Capable of happening or becoming reality
  • individual: Single person, looked at separately from others
  • process: To organize and use data in a computer
  • multiple: Having or involving more than one of something
  • period: Set amount of time during which events take place
  • amount: Quantity of something
  • current: Electricity flowing through wires
  • contribute: To be a factor in causing something to happen
  • impulse: Sudden desire to do something that is not planned
  • measure: Plan to achieve a desired result
  • separate: Being different from or unrelated to another
  • ability: The power, resources or skill to do something
  • increase: To make or become larger in size or amount
  • conventional: Following the common attitudes and practices
  • function: Social event, or party such as a wedding
  • pile: Large amount of something
  • reach: To come to or arrive at a goal or destination
  • discrimination: Ability to recognize the difference between things
  • analogy: Comparison of things based on their similarity
  • resolution: End part of a story resolving the conflict
  • charge: To run quickly toward someone to attack them
  • release: To free someone from a responsibility or burden
  • factor: Something that influences a result
  • generate: To create or be produced or bring into existence
  • challenge: An activity you wish to try that may be hard to do
  • integral: Being an essential part of something; necessary
  • create: To make, cause, or bring into existence
  • provide: To make available; to supply for use
  • layer: One of several sheets of a material or object
  • intrinsic: Being naturally and always a part of something
  • reduction: Act of making something smaller
  • hit: To have a negative impact on a person/place/thing
  • integration: Act of bringing things together into a whole
  • spatial: About space
  • ripple: Small gentle low wave on the surface of water, etc.
  • information: Collection of facts and details about something
  • crystal: A solid formed by the solidification of a chemical
  • dose: An amount of medicine to be taken at any one time
  • bucket: Open container with a handle used to carry liquids
  • fill: To make something full
  • perfect: So good it cannot be improved
  • set: Prepared for something; ready
  • space: Empty area kept for a specific reason, like a car
  • area: Amount of measured space
  • remove: To get rid of something completely
  • time: Speed at which music is played; tempo
  • photon: Particle with energy but no mass, electric charge
  • electron: A negatively charged particle
  • cathode: Electrode by which electricity leaves a battery
  • transistor: Part controlling the electricity inside devices
  • capacitor: Device that can temporarily store electric charge
  • valence: Relative capacity that interact with antigens
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  • not found vocabularyNo vocabulary matches your filters
    • ability

      US /əˈbɪlɪti/

      UK /ə'bɪlətɪ/

      • Noun (Countable/Uncountable)
      • The power, resources or skill to do something
      • A particular skill or talent.
      A2TOEIC
      More
    • analogy

      US /əˈnælədʒi/

      UK /əˈnælədʒi/

      • Noun
      • Comparison of things based on their similarity
      B1
      More
    • as opposed to

      US

      UK

      • Preposition
      • In contrast to; rather than.
      • Instead of; in place of.
      A1
      More
    • at least

      US /æt list/

      UK /æt li:st/

      • Adverb
      • As a minimum
      • Not less than
      • Phrase
      • No less than; at the minimum
      • Used to indicate that something is positive in a bad situation.
      C2
      More
    • based on

      US

      UK

      • Phrasal Verb
      • To use something as the foundation or starting point for something else.
      • Preposition
      • Using something as the main idea or foundation.
      • Relying on something as evidence or justification.
      A1
      More
    • bucket

      US /ˈbʌkɪt/

      UK /'bʌkɪt/

      • Countable Noun
      • Open container with a handle used to carry liquids
      • A scoop-like container attached to machinery, used for digging or lifting materials.
      • Uncountable Noun
      • The amount held by a bucket.
      B1
      More
    • capacitor

      US /kəˈpæsɪtɚ/

      UK /kəˈpæsɪtə(r)/

      • Noun
      • Device that can temporarily store electric charge
      C1
      More
    • cathode

      US /ˈkæθˌod/

      UK /ˈkæθəʊd/

      • Noun
      • Electrode by which electricity leaves a battery
      C1
      More
    • challenge

      US /ˈtʃæləndʒ/

      UK /'tʃælɪndʒ/

      • Noun (Countable/Uncountable)
      • An activity you wish to try that may be hard to do
      • Act of formally inviting someone to compete
      • Transitive Verb
      • To formally invite someone to compete at something
      • To question the correctness of something
      A2
      More
    • charge

      US /tʃɑrdʒ/

      UK /tʃɑ:dʒ/

      • Verb (Transitive/Intransitive)
      • To run quickly toward someone to attack them
      • To ask for money as a price for a service or goods
      • Noun (Countable/Uncountable)
      • An attack by running quickly toward someone
      • A price for a service or goods
      A2
      More
    • contribute

      US /kənˈtrɪbjut/

      UK /kən'trɪbju:t/

      • Verb (Transitive/Intransitive)
      • To be a factor in causing something to happen
      • To donate, give (money) or help to something
      A2
      More
    • conventional

      US /kənˈvɛnʃənəl/

      UK /kən'venʃənl/

      • Adjective
      • Following the common attitudes and practices
      • Non-nuclear
      B2
      More
    • crystal

      US /ˈkrɪstəl/

      UK /'krɪstl/

      • Noun (Countable/Uncountable)
      • A solid formed by the solidification of a chemical
      • Rock with regularly repeating internal structure
      • Proper Noun
      • Person's name
      B1
      More
    • current

      US /ˈkɚrənt, ˈkʌr-/

      UK /'kʌrənt/

      • Uncountable Noun
      • Electricity flowing through wires
      • Movement of water in a river, or air in the sky
      • Adjective
      • Happening or being in the present time
      • In general use or accepted by most people.
      A2
      More
    • deal with

      US /dil wɪð/

      UK /di:l wið/

      • Verb (Transitive/Intransitive)
      • To buy or sell goods or services.
      • Phrasal Verb
      • To take action to solve a problem or manage a situation.
      • To be about; concern.
      A1
      More
    • depending on

      US

      UK

      • Phrasal Verb
      • To rely on for support (financial or emotional)
      • Influenced or determined by.
      • Preposition
      • Subject to; contingent on
      • Relying on someone or something for support or assistance.
      A2
      More
    • discrimination

      US /dɪˌskrɪməˈneʃən/

      UK /dɪˌskrɪmɪˈneɪʃn/

      • Noun (Countable/Uncountable)
      • Ability to recognize the difference between things
      • Treating people unfairly due to race, age etc.
      B1
      More
    • do in

      US

      UK

      • Phrasal Verb
      • To make completely tired out and exhausted
      • To destroy or cause damage to someone
      A1
      More
    • dose

      US /doʊs/

      UK /dəʊs/

      • Noun (Countable/Uncountable)
      • An amount of medicine to be taken at any one time
      • Transitive Verb
      • To give a certain amount of something to someone
      B1
      More
    • drive down

      US /draɪv daʊn/

      UK /draiv daun/

      • Phrasal Verb
      • To cause something to decrease or become lower.
      • To travel by car to a place that is further south or lower down.
      A1
      More
    • drop off

      US /drɑp ɔf/

      UK /drɒp ɒf/

      • Phrasal Verb
      • To leave someone, something somewhere
      • To fall asleep
      • Verb (Transitive/Intransitive)
      • To take someone or something to a particular place and leave them there.
      A1
      More
    • due to

      US /du tu/

      UK /dju: tu:/

      • Preposition
      • Because of; owing to
      • Adjective
      • Attributable to; caused by.
      A1
      More
    • electron

      US /ɪˈlektrɑ:n/

      UK /ɪˈlektrɒn/

      • Countable Noun
      • A negatively charged particle
      B2
      More
    • energy sources

      US

      UK

      • Noun (plural)
      • Materials or processes that can produce energy.
      More
    • factor

      US /ˈfæktɚ/

      UK /'fæktə(r)/

      • Noun
      • Something that influences a result
      • Transitive Verb
      • To consider or include in an estimate or judgment
      • To find the two numbers a number can be divided by
      A2TOEIC
      More
    • feel like

      US

      UK

      • Intransitive Verb
      • To have a desire or inclination for something.
      • To have a particular quality or sensation; resemble.
      A1
      More
    • fill up

      US /fɪl ʌp/

      UK /fil ʌp/

      • Phrase
      • Verb (Transitive/Intransitive)
      • To make something full.
      • To become full.
      A1
      More
    • function

      US /ˈfʌŋkʃən/

      UK /'fʌŋkʃn/

      • Noun
      • Social event, or party such as a wedding
      • Mathematical operation used in calculations
      • Intransitive Verb
      • To serve a certain purpose or role
      • To be operating, working or achieving its purpose
      A2TOEIC
      More
    • generate

      US /ˈdʒɛnəˌret/

      UK /ˈdʒenəreɪt/

      • Transitive Verb
      • To create or be produced or bring into existence
      • To create electricity, heat, energy and power
      A2TOEIC
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • head out

      US /hɛd aʊt/

      UK /hed aut/

      • Phrasal Verb
      • To leave a place; depart
      A1
      More
    • improve on

      US /ɪmˈpruv ɑn/

      UK /imˈpru:v ɒn/

      • other
      • To make something better than it was before.
      B1
      More
    • impulse

      US /ˈɪmˌpʌls/

      UK /'ɪmpʌls/

      • Noun
      • Sudden desire to do something that is not planned
      • A brief electrical signal transmitted along a nerve fiber or muscle fiber
      B1TOEIC
      More
    • in on

      US

      UK

      • Phrase
      • To be involved in a secret or plan.
      • To be aware of something that is secret or not generally known.
      A1
      More
    • in practice

      US /ɪn ˈpræktɪs/

      UK /in ˈpræktis/

      • Phrase
      • In reality or actual use; as opposed to in theory.
      A1
      More
    • in the bucket

      US /ɪn ði ˈbʌkɪt/

      UK /ɪn ði ˈbʌkɪt/

      • other
      • Situated or contained inside a bucket.
      A2
      More
    • in time

      US /ɪn taɪm/

      UK /in taim/

      • Adverb
      • Eventually; after a period of time.
      • Not late; with enough time to spare.
      • Phrase
      • Eventually; before it is too late.
      • According to the scheduled time; punctual.
      A1
      More
    • individual

      US /ˌɪndəˈvɪdʒuəl/

      UK /ˌɪndɪˈvɪdʒuəl/

      • Countable Noun
      • Single person, looked at separately from others
      • A single thing or item, especially when part of a set or group.
      • Adjective
      • Made for use by one single person
      • Having a distinct manner different from others
      A2
      More
    • instead of

      US /ɪnˈstɛd ʌv/

      UK /inˈsted ɔv/

      • Preposition
      • When one thing is replaced by another
      • Adverb
      • As a substitute or alternative.
      A1
      More
    • integral

      US /ˈɪntɪɡrəl, ɪnˈtɛɡrəl/

      UK /ˈɪntɪgrəl/

      • Adjective
      • Being an essential part of something; necessary
      • Being an essential part of something.
      • Noun
      • A function whose derivative is a given function.
      B1
      More
    • integration

      US /ˌɪntɪˈɡreʃən/

      UK /ˌɪntɪ'ɡreɪʃn/

      • Uncountable Noun
      • Act of bringing things together into a whole
      • The finding of an integral.
      B1
      More
    • interact with

      US /ˌɪntɚˈækt wɪð/

      UK /ˌɪntərˈækt wið/

      • Phrase
      • Verb (Transitive/Intransitive)
      • To engage in communication or action involving mutual or reciprocal influence.
      • To use a computer interface to achieve a specific goal.
      A2
      More
    • intrinsic

      US /ɪnˈtrɪnzɪk, -sɪk/

      UK /ɪnˈtrɪnsɪk/

      • Adjective
      • Being naturally and always a part of something
      B1
      More
    • layer

      US /ˈleɚ/

      UK /ˈleiə/

      • Noun (Countable/Uncountable)
      • One of several sheets of a material or object
      • A covering of something spread over a surface.
      • Transitive Verb
      • To put things one on top of another
      B1TOEIC
      More
    • lead to

      US /lid tu/

      UK /li:d tu:/

      • Phrasal Verb
      • To result in some action
      • Verb (Transitive/Intransitive)
      • To have something as a consequence or result.
      A1
      More
    • leak out

      US

      UK

      • Phrasal Verb
      • If secret information leaks out, it becomes known to the public.
      • To escape or be lost through a crack or hole.
      B2
      More
    • look at

      US /lʊk æt/

      UK /luk æt/

      • Phrasal Verb
      • To use your eyes to focus on something
      • To focus your eyes on something carefully
      A1
      More
    • move along

      US /muv əˈlɔŋ/

      UK /mu:v əˈlɔŋ/

      • Phrasal Verb
      • To make progress; advance.
      • To tell someone to leave or keep moving.
      B1
      More
    • multiple

      US /ˈmʌltəpəl/

      UK /ˈmʌltɪpl/

      • Adjective
      • Having or involving more than one of something
      • Having or involving several parts, elements, or members.
      • Countable Noun
      • Number produced by multiplying a smaller number
      • A number of identical circuit elements connected in parallel or series.
      B1
      More
    • over time

      US /ˈovɚ taɪm/

      UK /ˈəuvə taim/

      • Phrase
      • Gradually; as time passes.
      • During a long period.
      • Adverb
      • Gradually; as time passes.
      B1
      More
    • photon

      US /ˈfoʊtɑ:n/

      UK /ˈfəʊtɒn/

      • Noun
      • Particle with energy but no mass, electric charge
      B2
      More
    • pile

      US /paɪl/

      UK /paɪl/

      • Noun (Countable/Uncountable)
      • Large amount of something
      • Group of things one on top of another
      • Verb (Transitive/Intransitive)
      • (E.g. of problems) to increase; get more or worse
      • To place things on top of each other; to heap up.
      B1TOEIC
      More
    • pile up

      US /paɪl ʌp/

      UK /pail ʌp/

      • Phrasal Verb
      • To put things on top of each other to form a pile
      • To increase in quantity or amount.
      • Verb (Transitive/Intransitive)
      • To accumulate or increase in quantity.
      B1
      More
    • point in time

      US

      UK

      • Noun
      • A specific moment or instance when something occurs or exists.
      • A significant juncture or stage in history or a sequence of events.
      A1
      More
    • potential

      US /pəˈtɛnʃəl/

      UK /pəˈtenʃl/

      • Adjective
      • Capable of happening or becoming reality
      • Having or showing the capacity to develop into something in the future.
      • Uncountable Noun
      • someone's or something's ability to develop, achieve, or succeed
      A2TOEIC
      More
    • process

      US /ˈprɑsˌɛs, ˈproˌsɛs/

      UK /prə'ses/

      • Transitive Verb
      • To organize and use data in a computer
      • To deal with official forms in the way required
      • Noun (Countable/Uncountable)
      • Dealing with official forms in the way required
      • Set of changes that occur slowly and naturally
      A2TOEIC
      More
    • reach

      US /ritʃ/

      UK /ri:tʃ/

      • Verb (Transitive/Intransitive)
      • To come to or arrive at a goal or destination
      • To be long enough to get to a certain place
      • Uncountable Noun
      • Power or control someone has over something
      A2TOEIC
      More
    • read out

      US /rid aʊt/

      UK /ri:d aut/

      • Phrasal Verb
      • To read something aloud so that other people can hear it.
      • Verb (Transitive/Intransitive)
      • To display a particular value or measurement.
      • To retrieve and display data from a storage device.
      A1
      More
    • reduction

      US /rɪˈdʌkʃən/

      UK /rɪ'dʌkʃn/

      • Noun
      • Act of making something smaller
      B1
      More
    • release

      US /rɪ'li:s/

      UK /rɪ'li:s/

      • Transitive Verb
      • To free someone from a responsibility or burden
      • To allow a film, music etc. to be sold/distributed
      • Noun
      • Act of freeing someone from a duty or burden
      • Introduction of a new product, film, book, etc.
      A2TOEIC
      More
    • rely on

      US /rɪˈlaɪ ɑn/

      UK /riˈlai ɔn/

      • Phrasal Verb
      • To depend on someone or something
      A2
      More
    • resolution

      US /ˌrɛzəˈluʃən/

      UK /ˌrezə'lu:ʃn/

      • Noun (Countable/Uncountable)
      • End part of a story resolving the conflict
      • Ability of a screen or camera to display pixels
      C2
      More
    • ripple

      US /ˈrɪpəl/

      UK /'rɪpl/

      • Countable Noun
      • Small gentle low wave on the surface of water, etc.
      • Sound/noise/laughter that changes in volume
      • Intransitive Verb
      • To travel or move as small, gentle waves
      • To be spread through a person or group
      B2TOEIC
      More
    • see in

      US /si ɪn/

      UK /si: in/

      • Phrasal Verb
      • To accompany someone to the entrance of a building or room.
      A1
      More
    • separate

      US /'sepəreɪt/

      UK /'sepəreɪt/

      • Adjective
      • Being different from or unrelated to another
      • Not connected; different.
      • Transitive Verb
      • To divide two things by being in between them
      • To move things away from each other
      A2TOEIC
      More
    • separate out

      US

      UK

      • Phrasal Verb
      • To extract or distinguish something from a mixture.
      B1
      More
    • source for

      US

      UK

      • Noun
      • A place, person, or thing from which something comes or can be obtained.
      • Transitive Verb
      • To obtain something from a particular source.
      B2
      More
    • spatial

      US /ˈspeʃəl/

      UK /ˈspeɪʃl/

      • Adjective
      • About space
      B1
      More
    • specific

      US /spɪˈsɪfɪk/

      UK /spəˈsɪfɪk/

      • Adjective
      • Precise; particular; just about that thing
      • Concerning one particular thing or kind of thing
      A2
      More
    • spread out

      US /sprɛd aʊt/

      UK /spred aut/

      • Phrasal Verb
      • To extend or stretch over a large area.
      • To arrange things so that they cover a large area.
      B2
      More
    • such as

      US /sʌtʃ æz/

      UK /sʌtʃ æz/

      • Preposition
      • For example; like
      A1
      More
    • take out

      US /tek aʊt/

      UK /teik aut/

      • Phrasal Verb
      • To apply for and get a license
      • To take someone on a date
      • Uncountable Noun
      • Food purchased at a restaurant to eat elsewhere.
      A1
      More
    • think of

      US /θɪŋk ʌv/

      UK /θiŋk ɔv/

      • Phrasal Verb
      • To look on as (being something specific); consider
      • To consider or remember something.
      • Verb (Transitive/Intransitive)
      • To imagine or call something to mind
      A1
      More
    • to let

      US /tu lɛt/

      UK /tu let/

      • Preposition
      • Indicates that a property is available for rent.
      A2
      More
    • transistor

      US /trænˈzɪstɚ, -ˈsɪs-/

      UK /trænˈzɪstə(r)/

      • Noun
      • Part controlling the electricity inside devices
      C1
      More
    • ultimately

      US /ˈʌltəmɪtli/

      UK /ˈʌltɪmətli/

      • Adverb
      • Done or considered as the final and most important
      • Fundamentally; at the most basic level.
      B1TOEIC
      More
    • used to

      US /juzd tu/

      UK /ˈju:st tə/

      • Adjective
      • Did regularly before, but don't do now
      • Auxiliary Verb
      • Have done before, but do not do now
      A1
      More
    • valence

      US /'veɪləns/

      UK /'veɪləns/

      • Noun
      • Relative capacity that interact with antigens
      C2
      More
    • zoom in on

      US

      UK

      • Phrasal Verb
      • To adjust a camera or lens to make a subject appear closer.
      • To focus attention on something specific.
      A1
      More
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    01:03

    She took a brave step forward, leaving behind her comfort zone to chase her dreams.

    Vocabulary
    • brave

      adj. Having courage

    • comfort zone

      phr. A familiar situation where one feels safe

    Explanation
    a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step". forward is an adverb modifying step, meaning "ahead". The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.

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    brave

    US/brev/
    UK/breɪv/
    adj.Brave
    v.t.To bravely face
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    #photon#detector#energy#counting#electron#conventional

    Photon Counting CT Explained Introduction to PCCT | Computed Tomography Radiology Physics Course #17

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    P posted on 2026/06/06
    Ever wondered how CT scanners work? This video breaks down the fascinating differences between conventional CT detectors and the cutting-edge photon counting CT, using a clever water bucket analogy to explain complex physics. You'll gain a clear understanding of how these technologies detect X-rays and pick up key vocabulary related to radiology and physics!

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