abundant
US /əˈbʌndənt/
UK /əˈbʌndənt/
- Adjective
- Being in very great supply; plentiful
B2TOEICMoreacquire
US /əˈkwaɪr/
UK /ə'kwaɪə(r)/
- Transitive Verb
- To get or earn something by thinking or working
- To develop or learn a skill, habit, or quality.
A2TOEICMorealkaline
US /ˈælkəlɪn, -ˌlaɪn/
UK /ˈælkəlaɪn/
- Adjective
- Containing or behaving like an alkali
C1Moreanother method
US
UK
- Phrase
- An alternative way of doing something.
A2Moreas well as
US /æz wɛl æz/
UK /æz wel æz/
- Adverb
- Also; in addition to
- Preposition
- In addition to; and also.
A1Moreas with
US /æz wɪð/
UK /æz wið/
- Preposition
- In the same way that something happens or is true of something else.
A1Morebond
US /bɑnd/
UK /bɒnd/
- Noun (Countable/Uncountable)
- Rope, chain or other thing used to tie someone up
- Closeness that is shared between people or groups
- Verb (Transitive/Intransitive)
- To develop a close relationship with
- To become joined or connected, e.g. using glue
A2TOEICMorecalcium
US /ˈkælsiəm/
UK /'kælsɪəm/
- Uncountable Noun
- A substance important for making bones and teeth
- A substance containing calcium, taken to improve health.
C2Morecarbon
US /ˈkɑrbən/
UK /'kɑ:bən/
- Uncountable Noun
- Chemical element with an atomic number of 6
B1Morechalk
US /tʃɔk/
UK /tʃɔ:k/
- Transitive Verb
- To draw or write something with chalk
- Uncountable Noun
- Hard white powder used for drawing on boards
- Soft white rock made of limestone
B1Morecontent
US /ˈkɑnˌtɛnt/
UK /'kɒntent/
- Adjective
- Being happy or satisfied
- In a state of peaceful happiness.
- Noun (Countable/Uncountable)
- Information in something, e.g. book or computer
- The subject matter of a book, speech, etc.
A2Morecopper
US /ˈkɑpɚ/
UK /'kɒpə(r)/
- Uncountable Noun
- Reddish-brown metal used in cables or wires
B1Moredecay
US /dɪˈke/
UK /dɪˈkeɪ/
- Intransitive Verb
- To be slowly destroyed by natural processes; rot
- To lose health or strength
- Uncountable Noun
- Slow loss of physical or mental health
B1Moredepend
US /dɪˈpend/
UK /dɪˈpend/
- Verb (Transitive/Intransitive)
- Be controlled or determined by (someone/something)
- To rely on someone or something for support, help, or existence.
B1TOEICMoredigestive
US /daɪˈdʒɛstɪv, dɪ-/
UK /daɪˈdʒestɪv/
- Adjective
- Concerning processes of converting food to energy
B2Moredioxide
US /daɪˈɑksaɪd/
UK /daɪˈɒksaɪd/
- Noun
- An oxide containing two oxides per molecule
B2Moredolomite
US
UK
- Noun
- Kind of sedimentary rock resembling marble
C2Moredue to
US /du tu/
UK /dju: tu:/
- Preposition
- Because of; owing to
- Adjective
- Attributable to; caused by.
A1Moreelement
US /ˈɛləmənt/
UK /'elɪmənt/
- Noun (Countable/Uncountable)
- Essential or particular part of something
- A substance that cannot be broken down into simpler substances by chemical means.
A2TOEICMoreend in
US /ɛnd ɪn/
UK /end in/
- Phrasal Verb
- To have something as the final result.
fake
US /fek/
UK /feɪk/
- Adjective
- Not real; made to look like something real
- Countable Noun
- A copy of something made to trick people
B1Moreflammable
US
UK
- Adjective
- Burning quickly and easily
C1Moreflash
US /flæʃ/
UK /flæʃ/
- Intransitive Verb
- To appear suddenly and briefly
- To shine brightly very suddenly and briefly
- Noun (Countable/Uncountable)
- Sudden and brief appearance of something
- Light used by a camera to brighten the area
B1Moreglow
US /ɡlo/
UK /ɡləʊ/
- Noun
- Pink color in the face, e.g. from exercise/emotion
- Pleasant feeling, as of happiness or satisfaction
- Intransitive Verb
- To look very healthy and contented
- To emit a steady even light
B1Moregypsum
US
UK
- Uncountable Noun
- Whitish mineral used to make cements and plasters
C2Morehabit
US /ˈhæbɪt/
UK /'hæbɪt/
- Noun
- Loose clothing like a cloak, worn by monks, nuns
- Usual way of behaving; something often repeated
A2TOEICMorein terms of
US
UK
- Phrase
- With regard to; concerning a particular aspect.
A1Morein the air
US
UK
- Phrase
- Present or circulating in the atmosphere.
- Felt or sensed by many people; circulating as a rumor or feeling.
- Adjective
- Being broadcast on radio or television.
A1Morein the dark
US /ɪn ði dɑrk/
UK /in ðə dɑ:k/
- Adjective
- Uninformed about something; unaware.
- Phrase
- In a state of secrecy or ignorance.
- In a place with little or no light.
A1Morein the world
US /ɪn ði wɜrld/
UK /in ðə wɜː(r)ld/
- Phrase
- Used to emphasize a question expressing surprise, confusion, disbelief
- Used to indicate the extent or degree of something, often in a superlative sense
A1Moreingest
US /ɪn'dʒest/
UK /ɪnˈdʒest/
- Transitive Verb
- To eat, drink, or swallow something
C1TOEICMorelattice
US /ˈlætɪs/
UK /ˈlætɪs/
- Noun
- Openwork structure of crossed strips of wood, etc.
C1Morelead 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.
A1Moreliquid
US /ˈlɪkwɪd/
UK /ˈlɪkwɪd/
- Adjective
- (Of wealth) being able to be spent as cash
- In a state of being uncertain
- Noun (Countable/Uncountable)
- Something that is similar to the state of water
- A drink; beverage.
A2Moreluminescent
US /ˌluməˈnɛsənt/
UK /ˌlu:miˈnesnt/
- Adjective
- Emitting light not caused by heat
C1Moremagnesium
US /mæɡˈniziəm,-ʒəm/
UK /mægˈni:ziəm/
- Uncountable Noun
- Silver, white metal burning with a white flame
C2Morematerial
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
A2Moremedical
US /ˈmɛdɪkəl/
UK /ˈmedɪkl/
- Adjective
- Of or relating to physical health or medicine
- Noun
- A health check or test
A2Moremelt
US /mɛlt/
UK /melt/
- Verb (Transitive/Intransitive)
- To disappear or to go away
- To make, become soft or liquid due to heat
- Uncountable Noun
- A mass of material that has been melted, especially metal.
B1Moremetal
US /ˈmɛtl/
UK /ˈmetl/
- Noun (Countable/Uncountable)
- Usually hard shiny material mined from rock
- An object made of metal.
- Adjective
- Made something such as gold, steel, iron
A2Moremolecule
US /ˈmɑlɪˌkjul/
UK /ˈmɒlɪkju:l/
- Noun
- Two or more atoms chemically combined
B2Moremove on
US /muv ɑn/
UK /mu:v ɔn/
- Phrasal Verb
- To decide to change or go to a different place
- To start talking about something different.
A1Morenanometer
US /'nænəˌmi:tə/
UK /'neɪnəmi:tə/
- Noun (Countable/Uncountable)
- One billionth of a meter
C2Morenitrogen
US /ˈnaɪtrədʒən/
UK /ˈnaɪtrədʒən/
- Uncountable Noun
- A colorless chemical element without a smell
B2Moreon earth
US /ɑn ɚθ/
UK /ɔn ə:θ/
- Phrase
- Used to emphasize a question expressing surprise or anger.
- Used to emphasize that something is not possible or will not happen.
A1Moreon to
US /ɑn tu/
UK /ɔn tu:/
- Preposition
- Toward something; forward
- Aware of someone's activities.
- Adjective
- Aware of someone's deception or illegal activities.
A1Moreoxide
US /ˈɑ:ksaɪd/
UK /ˈɒksaɪd/
- Noun
- Compound from combining oxygen with a chemical
B2Moreprimarily
US /praɪˈmɛrəli, -ˈmɛr-/
UK /praɪˈmerəli/
- Adverb
- In the most basic or important way
A2TOEICMoreprior to
US /ˈpraɪɚ tu/
UK /ˈpraiə tu:/
- Preposition
- Before a particular time or event.
C1Moreprocess
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
A2TOEICMoreradiation
US /ˌrediˈeʃən/
UK /ˌreɪdiˈeɪʃn/
- Noun (Countable/Uncountable)
- Energy transmitted as rays, waves or particles
- Harmful waves of energy from nuclear activity
B1Moreradioactive
US /ˌredioˈæktɪv/
UK /ˌreɪdɪəʊ'æktɪv/
- Adjective
- Emitting harmful energy from nuclear activity
B2Moreradioactive element
US
UK
- Noun
- A chemical element that emits radiation as a result of nuclear instability.
B2Moreradium
US /ˈrediəm/
UK /ˈreɪdiəm/
- Uncountable Noun
- Radioactive element occurring in uranium ore
C2Morereact
US /riˈækt/
UK /rɪ'ækt/
- Intransitive Verb
- To change when mixing with other chemicals
- To behave or make a change in a particular way
A2Morerefer
US /rɪˈfɚ/
UK /rɪ'fɜ:(r)/
- Verb (Transitive/Intransitive)
- To talk about or write about something
- To give information about something
A2TOEICMoreresistant
US /rɪˈzɪstənt/
UK /rɪˈzɪstənt/
- Adjective
- Not affected by something
- Being opposed to or wanting to prevent something
- Noun
- A person who resists authority or control.
A2Morering in
US
UK
- Phrasal Verb
- To call by telephone.
- To celebrate the start of something, especially a new year.
A2Moresodium
US /ˈsodiəm/
UK /'səʊdɪəm/
- Uncountable Noun
- A soft, white chemical element
B2Moresuch as
US /sʌtʃ æz/
UK /sʌtʃ æz/
- Preposition
- For example; like
A1Moresummary
US /ˈsʌməri/
UK /ˈsʌməri/
- Adjective
- Brief, complete and accurate
- Noun
- Shorter statement of the most important parts
B1Moresuperconductor
US /ˈsu:pərktə(r)/
UK /ˈsu:pəkəndʌktə(r)/
- Noun
- Material allowing electrons to pass through easily
C2Moretake on
US /tek ɑn/
UK /teik ɔn/
- Phrasal Verb
- To acquire a new characteristic
- To accept a new responsibility, role
A1Moretrace
US /tres/
UK /treɪs/
- Transitive Verb
- To make an outline to determine a shape
- To find someone or something that has disappeared
- Uncountable Noun
- Very small quantity of something
- A mark or other sign of the former presence or passage of something.
B1Moreused 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
A1Moreutilize
US /ˈjutlˌaɪz/
UK /ˈju:təlaɪz/
- Transitive Verb
- To use something for a particular purpose
B1TOEICMorevacuum
US /ˈvækjuəm, -jum, -jəm/
UK /'vækjʊəm/
- Noun (Countable/Uncountable)
- Space with absolutely no air in it
- Cleaning machine with engine that sucks up dirt
- Transitive Verb
- To clean (a floor) using a sucking machine
- To seal something in a vacuum.
B1Morevalence
US /'veɪləns/
UK /'veɪləns/
- Noun
- Relative capacity that interact with antigens
C2Morevaluable
US /ˈvæljuəbəl, ˈvæljə-/
UK /ˈvæljuəbl/
- Adjective
- Being useful or important
- Being worth a lot of money
B1TOEICMoreyield
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
A2TOEICMorezinc
US /zɪŋk/
UK /zɪŋk/
- Noun (Countable/Uncountable)
- Bluish white metal used in making brass
B2More
Vocabulary
- due to: Because of; owing to
- such as: For example; like
- used to: Did regularly before, but don't do now
- on to: Toward something; forward
- move on: To decide to change or go to a different place
- end in: To have something as the final result.
- in the world: Used to emphasize a question expressing surprise, confusion, disbelief
- another method: An alternative way of doing something.
- in terms of
- as with: In the same way that something happens or is true of something else.
- take on: To acquire a new characteristic
- on earth: Used to emphasize a question expressing surprise or anger.
- ring in: To call by telephone.
- as well as: Also; in addition to
- prior to: Before a particular time or event.
- in the air: Present or circulating in the atmosphere.
- radioactive element: A chemical element that emits radiation as a result of nuclear instability.
- in the dark: Uninformed about something; unaware.
- lead to: To result in some action
- process: To organize and use data in a computer
- content: Being happy or satisfied
- material: Cloth; fabric
- acquire: To get or earn something by thinking or working
- amount: Quantity of something
- molecule: Two or more atoms chemically combined
- bit: Device put in a horse's mouth to control it
- bond: Rope, chain or other thing used to tie someone up
- similar: Nearly the same; alike
- valuable: Being useful or important
- refer: To talk about or write about something
- digestive: Concerning processes of converting food to energy
- form: Sports team or person's current winning record
- primarily: In the most basic or important way
- due: When something is required or expected
- abundant: Being in very great supply; plentiful
- calcium: A substance important for making bones and teeth
- yield: To bend or break because of a strong force
- vacuum: Space with absolutely no air in it
- ingest: To eat, drink, or swallow something
- element: Essential or particular part of something
- produce: Fresh foods such as fruits and vegetables
- radiation: Energy transmitted as rays, waves or particles
- react: To change when mixing with other chemicals
- sodium: A soft, white chemical element
- trace: To make an outline to determine a shape
- fake: Not real; made to look like something real
- utilize: To use something for a particular purpose
- dioxide: An oxide containing two oxides per molecule
- depend: Be controlled or determined by (someone/something)
- carbon: Chemical element with an atomic number of 6
- important: Having power or authority
- habit: Loose clothing like a cloak, worn by monks, nuns
- decay: To be slowly destroyed by natural processes; rot
- copper: Reddish-brown metal used in cables or wires
- liquid: (Of wealth) being able to be spent as cash
- system: Set of organized, planned ideas that work together
- allow: To admit the validity or truth of something
- act: To behave in a certain way
- glow: Pink color in the face, e.g. from exercise/emotion
- point: An item to be discussed
- melt: To disappear or to go away
- protect: To defend someone or something from harm or danger
- great: Very good; better than before
- medical: Of or relating to physical health or medicine
- nitrogen: A colorless chemical element without a smell
- prepare: To make something ready for use
- summary: Brief, complete and accurate
- resistant: Not affected by something
- metal: Usually hard shiny material mined from rock
- part: Division of a book
- flash: To appear suddenly and briefly
- magnesium: Silver, white metal burning with a white flame
- radioactive: Emitting harmful energy from nuclear activity
- chalk: To draw or write something with chalk
- flammable: Burning quickly and easily
- zinc: Bluish white metal used in making brass
- oxide: Compound from combining oxygen with a chemical
- lattice: Openwork structure of crossed strips of wood, etc.
- alkaline: Containing or behaving like an alkali
- nanometer: One billionth of a meter
- radium: Radioactive element occurring in uranium ore
- valence: Relative capacity that interact with antigens
- gypsum: Whitish mineral used to make cements and plasters
- luminescent: Emitting light not caused by heat
- superconductor: Material allowing electrons to pass through easily
- dolomite: Kind of sedimentary rock resembling marble
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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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80
Periodic Table Part 3: Alkaline Earth Metals (Be, Mg, Ca, Sr, Ba, Ra)
0
Ken Lee posted on 2026/09/08Ready to dive deeper into the periodic table? This video explores Group 2, the alkaline earth metals like magnesium and calcium, and reveals their surprising similarities and differences with alkali metals. You'll pick up key chemistry terms and learn about the real-world applications of these fascinating elements, from toothpaste to race cars!
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