Vocabulary

  • on the surface: Appearing to be true or real until examined more closely.
  • start out: To begin your life or career in a particular way.
  • such as: For example; like
  • aspect ratio: The ratio of the width to the height of an image or screen.
  • used to: Did regularly before, but don't do now
  • not available: Not able to be used or obtained; inaccessible.
  • rather than: More exactly; more correctly
  • break up
  • put out: To publish, e.g. a book
  • critical to: Extremely important or essential.
  • have to: Must do
  • depending on: To rely on for support (financial or emotional)
  • in point: Relevant; pertinent
  • to do with: To be about something; concern
  • lead to: To result in some action
  • in addition to: Besides; as well as
  • process: To organize and use data in a computer
  • essential: Extremely or most important and necessary
  • aspect: Way something looks or seems to be
  • material: Cloth; fabric
  • pattern: Model to follow in making or doing something
  • structure: The way in which the parts of a system or object are arranged or organized, or a system arranged in this way
  • typically: In a normal or usual way
  • completely: In every way or as much as possible
  • molecule: Two or more atoms chemically combined
  • bit: Device put in a horse's mouth to control it
  • divide: To split numbers by another number, e.g. 6 / 2 = 3
  • absorb: To take up all attention / energy of something
  • resist: To not be affected by e.g. a force or an effect
  • volatile: Able to easily become a gas at a low temperature
  • intentionally: With a plan to do or achieve something
  • surface: To give (road) a top layer
  • radical: Person who believes in extreme political change
  • form: Sports team or person's current winning record
  • generate: To create or be produced or bring into existence
  • reaction: Bodily response to a drug or something eaten
  • profile: To write a short description of a person or group
  • thick: Difficult to see through, as fog
  • lecture: To speak to someone to show anger or warn them
  • film: Thin layer that covers something
  • rate: To assess something or consider its qualities
  • break: To create a new record e.g. running the 100m dash
  • yield: To bend or break because of a strong force
  • layer: One of several sheets of a material or object
  • energy: Physical or mental strength
  • activate: To cause to happen; cause a chemical reaction
  • duplicate: Something that is the exact same thing as another
  • ratio: The relationship in relative size, etc.
  • dioxide: An oxide containing two oxides per molecule
  • important: Having power or authority
  • control: A device designed to operate a machine
  • extension: Addition to something, e.g. a house
  • optical: Concerning vision or helping people see
  • great: Very good; better than before
  • step: Movement done as part of a particular dance
  • difficult: Hard; not easy; you need to work hard to do it
  • product: Item that can be bought
  • start: First time or place that a thing exists; beginning
  • finally: used especially at the beginning of a sentence to introduce the last point or idea
  • slope: Angle of a decline, e.g. where a road dips down
  • plasma: Substance in which the blood cells are carried
  • byproduct: A waste product made from making something else
  • type: Printed letters or blocks used for printing them
  • remove: To get rid of something completely
  • fidelity: Loyalty
  • diagram: A drawing intended to explain how something works
  • reproduction: Act or process of producing a copy of something
  • judicial: Concerning the orders and laws of a court
  • undercut: Material removed by a cut made underneath
  • underlie: To be the basis, foundation or cause of something
  • chlorine: Greenish-yellow gas with a strong smell
  • mask: To hide something so that it cannot be seen
  • silicon: Mineral used in making steel and computer parts
  • electron: A negatively charged particle
  • etch: To cut lines on metal to make a picture
  • oxide: Compound from combining oxygen with a chemical
  • fabrication: Deliberately false or improbable information
  • ion: Atoms with either a positive or negative charge
  • wafer: Thin light cookie often accompanying ice cream
  • neo: A prefix meaning 'recent' or 'new'
  • substrate: A substance which a catalyst has an effect on
  • nanometer: One billionth of a meter
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    • absorb

      US /əbˈsɔrb, -ˈzɔrb/

      UK /əb'sɔ:b/

      • Transitive Verb
      • To take up all attention / energy of something
      • To take in a liquid; soak up
      B1TOEIC
      More
    • activate

      US /ˈæktəˌvet/

      UK /ˈæktɪveɪt/

      • Transitive Verb
      • To cause to happen; cause a chemical reaction
      • To make something start working
      B1
      More
    • aspect

      US /ˈæspɛkt/

      UK /'æspekt/

      • Noun (Countable/Uncountable)
      • Way something looks or seems to be
      • An element, feature, or quality of something
      A2TOEIC
      More
    • aspect ratio

      US

      UK

      • Noun
      • The ratio of the width to the height of an image or screen.
      B2
      More
    • break up

      US /brek ʌp/

      UK /breik ʌp/

      • Phrase
      • Phrasal Verb
      • (Of party, relationship) to come to an end
      • To end something, e.g. a fight
      A1
      More
    • byproduct

      US /ˈbaɪˌprɑdəkt/

      UK /'baɪˌprɒdʌkt/

      • Noun
      • A waste product made from making something else
      C1
      More
    • chlorine

      US /ˈklɔːrˌiːn/

      UK /ˈklɔ:ri:n/

      • Uncountable Noun
      • Greenish-yellow gas with a strong smell
      B2
      More
    • critical to

      US

      UK

      • Adjective
      • Extremely important or essential.
      • Of decisive importance with reference to the outcome of something; vital.
      B2
      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
    • diagram

      US /ˈdaɪəˌɡræm/

      UK /'daɪəɡræm/

      • Noun
      • A drawing intended to explain how something works
      • Transitive Verb
      • To show or explain something by drawing a picture
      B1
      More
    • dioxide

      US /daɪˈɑksaɪd/

      UK /daɪˈɒksaɪd/

      • Noun
      • An oxide containing two oxides per molecule
      B2
      More
    • divide

      US /dɪˈvaɪd/

      UK /dɪ'vaɪd/

      • Verb (Transitive/Intransitive)
      • To split numbers by another number, e.g. 6 / 2 = 3
      • To separate something into equal pieces
      • Noun
      • A separation or distinction.
      A2TOEIC
      More
    • duplicate

      US /ˈdu:plɪkeɪt/

      UK /ˈdju:plɪkeɪt/

      • Countable Noun
      • Something that is the exact same thing as another
      • Transitive Verb
      • To make an exact copy of a thing
      B2TOEIC
      More
    • electron

      US /ɪˈlektrɑ:n/

      UK /ɪˈlektrɒn/

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

      US /ˈɛnədʒi/

      UK /'enədʒɪ/

      • Noun (Countable/Uncountable)
      • Physical or mental strength
      • Enthusiasm and determination.
      A2
      More
    • essential

      US /ɪˈsɛnʃəl/

      UK /ɪ'senʃl/

      • Adjective
      • Extremely or most important and necessary
      • Fundamental; basic.
      • Noun
      • A concentrated hydrophobic liquid containing volatile aroma compounds from plants.
      B1TOEIC
      More
    • etch

      US /ɛtʃ/

      UK /etʃ/

      • Transitive Verb
      • To cut lines on metal to make a picture
      C1
      More
    • extension

      US /ɪkˈstɛnʃən/

      UK /ɪkˈstenʃn/

      • Noun
      • Addition to something, e.g. a house
      • Suffix code of a computer file, e.g. .pdf, .jpg
      • Adjective
      • Adding extra length
      B1TOEIC
      More
    • fabrication

      US /ˌfæbrɪˈkeʃən/

      UK /ˌfæbrɪ'keɪʃn/

      • Noun (Countable/Uncountable)
      • Deliberately false or improbable information
      • The process of manufacturing or constructing something.
      C1
      More
    • fidelity

      US /fɪˈdɛlɪti,faɪ-/

      UK /fɪˈdeləti/

      • Uncountable Noun
      • Loyalty
      B2TOEIC
      More
    • film

      US /fɪlm/

      UK /fɪlm/

      • Noun (Countable/Uncountable)
      • Thin layer that covers something
      • Movie
      • Transitive Verb
      • To record moving action with a camera
      A2
      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
    • in addition to

      US /ɪn əˈdɪʃən tu/

      UK /in əˈdiʃən tu:/

      • Preposition
      • Besides; as well as
      • Phrase
      • Besides; as well as.
      • Furthermore; moreover.
      B1
      More
    • in point

      US /ɪn pɔɪnt/

      UK /in pɔint/

      • Adjective
      • Relevant; pertinent
      A2
      More
    • intentionally

      US /ɪnˈtɛnʃənl:ɪ/

      UK /ɪn'tenʃənəlɪ/

      • Adverb
      • With a plan to do or achieve something
      • In a deliberate and purposeful manner.
      B1
      More
    • ion

      US /ˈaɪən/

      UK /'aɪən/

      • Noun (Countable/Uncountable)
      • Atoms with either a positive or negative charge
      B2
      More
    • judicial

      US /dʒuˈdɪʃəl/

      UK /dʒuˈdɪʃl/

      • Adjective
      • Concerning the orders and laws of a court
      B2
      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
    • lecture

      US /ˈlɛktʃɚ/

      UK /'lektʃə(r)/

      • Transitive Verb
      • To speak to someone to show anger or warn them
      • To give a talk or speech about a subject
      • Noun (Countable/Uncountable)
      • Telling someone off for doing something wrong
      • Talk or speech about a particular subject
      A2TOEIC
      More
    • mask

      US /mæsk/

      UK /mɑ:sk/

      • Transitive Verb
      • To hide something so that it cannot be seen
      • To hide something so that it cannot be seen
      • Noun (Countable/Uncountable)
      • Covering to hide or disguise the face
      • Way of pretending to behave that is not real
      B1
      More
    • material

      US /məˈtɪriəl/

      UK /məˈtɪəriəl/

      • Noun (Countable/Uncountable)
      • Cloth; fabric
      • Supplies or data needed to do a certain thing
      • Adjective
      • Relevant; (of evidence) important or significant
      • Belonging to the world of physical things
      A2
      More
    • molecule

      US /ˈmɑlɪˌkjul/

      UK /ˈmɒlɪkju:l/

      • Noun
      • Two or more atoms chemically combined
      B2
      More
    • nanometer

      US /'nænəˌmi:tə/

      UK /'neɪnəmi:tə/

      • Noun (Countable/Uncountable)
      • One billionth of a meter
      C2
      More
    • neo

      US /'ni:oʊ/

      UK /'ni:əʊ/

      • Noun
      • A prefix meaning 'recent' or 'new'
      B2
      More
    • not available

      US /nɑt əˈveləbəl/

      UK /nɔt əˈveiləbl/

      • Adjective
      • Not able to be used or obtained; inaccessible.
      • Not present or accessible; unable to be contacted.
      A1
      More
    • on the surface

      US /ɑn ði ˈsɚfəs/

      UK /ɔn ðə ˈsə:fis/

      • Phrase
      • Appearing to be true or real until examined more closely.
      • Located on the outer part or uppermost layer of something.
      B2
      More
    • optical

      US /ˈɑptɪkəl/

      UK /ˈɒptɪkl/

      • Adjective
      • Concerning vision or helping people see
      B1
      More
    • oxide

      US /ˈɑ:ksaɪd/

      UK /ˈɒksaɪd/

      • Noun
      • Compound from combining oxygen with a chemical
      B2
      More
    • pattern

      US /ˈpætən/

      UK /'pætn/

      • Noun (Countable/Uncountable)
      • Model to follow in making or doing something
      • Colors or shapes which are repeated on objects
      • Transitive Verb
      • To copy the way something else is made
      • To decorate with a pattern.
      A2TOEIC
      More
    • plasma

      US /ˈplæzmə/

      UK /ˈplæzmə/

      • Uncountable Noun
      • Substance in which the blood cells are carried
      • Gas-like substance with little electric charge
      B2
      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
    • profile

      US /ˈproˌfaɪl/

      UK /'prəʊfaɪl/

      • Transitive Verb
      • To write a short description of a person or group
      • To write or create a profile of someone or something.
      • Noun (Countable/Uncountable)
      • A short description of a person or group
      • Shape of someone's head when viewed from the side
      B1
      More
    • put out

      US /pʊt aʊt/

      UK /put aut/

      • Phrasal Verb
      • To publish, e.g. a book
      • To cause someone to be troubled or inconvenienced
      A1
      More
    • radical

      US /ˈrædɪkəl,'rædɪkḷ/

      UK /ˈrædɪkl/

      • Noun (Countable/Uncountable)
      • Person who believes in extreme political change
      • A group of atoms behaving as a unit in a chemical compound.
      • Adjective
      • Very new and different from what is traditional
      • Concerning something's most basic part or form
      B1
      More
    • rather than

      US

      UK

      • Adverb
      • More exactly; more correctly
      • Preferably; instead
      • Preposition
      • Instead of
      A1
      More
    • ratio

      US /ˈreɪʃioʊ/

      UK /ˈreɪʃiəʊ/

      • Noun (Countable/Uncountable)
      • The relationship in relative size, etc.
      • The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
      C2
      More
    • reaction

      US /riˈækʃən/

      UK /rɪ'ækʃn/

      • Noun
      • Bodily response to a drug or something eaten
      • Feeling or action in response to something
      A2
      More
    • reproduction

      US /ˌriprəˈdʌkʃən/

      UK /ˌri:prəˈdʌkʃn/

      • Noun (Countable/Uncountable)
      • Act or process of producing a copy of something
      • The process of making children
      B1
      More
    • resist

      US /rɪˈzɪst/

      UK /rɪ'zɪst/

      • Verb (Transitive/Intransitive)
      • To not be affected by e.g. a force or an effect
      • To fight or prevent something from happening
      A2TOEIC
      More
    • silicon

      US /ˈsɪlɪkən, -ˌkɑn/

      UK /ˈsɪlɪkən/

      • Uncountable Noun
      • Mineral used in making steel and computer parts
      B2
      More
    • slope

      US /sloʊp/

      UK /sləʊp/

      • Noun
      • Angle of a decline, e.g. where a road dips down
      • Surface on which people can ski
      • Intransitive Verb
      • To have one end that is not as high as the other
      B1TOEIC
      More
    • start out

      US /stɑrt aʊt/

      UK /stɑ:t aut/

      • Phrasal Verb
      • To begin your life or career in a particular way.
      • To begin a journey.
      A1
      More
    • structure

      US /ˈstrʌk.tʃɚ/

      UK /ˈstrʌk.tʃə/

      • Noun (Countable/Uncountable)
      • The way in which the parts of a system or object are arranged or organized, or a system arranged in this way
      • A building or other man-made object.
      • Transitive Verb
      • To plan, organize, or arrange the parts of something
      A2TOEIC
      More
    • substrate

      US /ˈsʌbˌstret/

      UK /ˈsʌbstreɪt/

      • Noun
      • A substance which a catalyst has an effect on
      B2
      More
    • such as

      US /sʌtʃ æz/

      UK /sʌtʃ æz/

      • Preposition
      • For example; like
      A1
      More
    • surface

      US /ˈsɚfəs/

      UK /'sɜ:fɪs/

      • Transitive Verb
      • To give (road) a top layer
      • Intransitive Verb
      • To appear after being hidden, unseen, or unknown
      • To come to the top of something; emerge
      A2TOEIC
      More
    • thick

      US /θɪk/

      UK /θɪk/

      • Adjective
      • Difficult to see through, as fog
      • Full of (people, etc.)
      • Adverb
      • In close association or friendship.
      A2
      More
    • to do with

      US

      UK

      • Phrasal Verb
      • To be about something; concern
      A1
      More
    • typically

      US /ˈtɪpɪklɪ/

      UK /ˈtɪpɪkli/

      • Adverb
      • In a normal or usual way
      B1
      More
    • undercut

      US /ˌʌndər'kʌt/

      UK /ˌʌndə'kʌt/

      • Noun
      • Material removed by a cut made underneath
      • Transitive Verb
      • To sell goods/services at lower price than others
      B2TOEIC
      More
    • underlie

      US /ˌʌndərˈlaɪ/

      UK /ˌʌndəˈlaɪ/

      • Verb (Transitive/Intransitive)
      • To be the basis, foundation or cause of something
      • To lie or exist beneath
      B1
      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
    • volatile

      US /ˈvɑ:lətl/

      UK /ˈvɒlətaɪl/

      • Adjective
      • Able to easily become a gas at a low temperature
      • Unstable and likely to change suddenly/extremely
      B2TOEIC
      More
    • wafer

      US /ˈwefɚ/

      UK /'weɪfə(r)/

      • Countable Noun
      • Thin light cookie often accompanying ice cream
      C1
      More
    • yield

      US /jild/

      UK /ji:ld/

      • Verb (Transitive/Intransitive)
      • To bend or break because of a strong force
      • To give way to someone or something else
      • Noun (Countable/Uncountable)
      • Amount of crops grown
      • Amount of profit you make
      A2TOEIC
      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
    A2 Elementary

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    B2US
    #plasma#silicon#dry#ion#fluorine#oxide

    Stanford Nanofabrication Facility: Dry Etching - Introduction (Part 1 of 4)

    0
    sywu175 posted on 2025/06/07
    Ever wondered how tiny circuits are made? This video dives into the fascinating world of dry etching at Stanford, explaining key concepts like etch selectivity and profile control. You'll pick up some seriously advanced vocabulary related to nanofabrication and plasma etching that's perfect for expanding your technical English!

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