Vocabulary

  • go on: To continue doing something
  • due to: Because of; owing to
  • based on: To use something as the foundation or starting point for something else.
  • lead to: To result in some action
  • the following: Next in order or sequence.
  • by itself: Alone; without help or assistance.
  • for the most part: Generally; mostly; on the whole.
  • perspective: Artistic method of creating a sense of distance
  • equivalent: Equal to something in value, use or meaning
  • basically: Used before you explain something simply, clearly
  • determine: To control exactly how something will be or act
  • force: Group of persons trained for military action; army
  • previous: Existing or happening before the present time
  • abstract: Passage of text from an article or book
  • molecule: Two or more atoms chemically combined
  • bit: Device put in a horse's mouth to control it
  • shift: To change in position or direction
  • bond: Rope, chain or other thing used to tie someone up
  • substitute: To perform the tasks instead of someone else
  • automatically: In a way not requiring control by a person
  • mechanism: Part of a machine that performs a certain function
  • occur: To come to pass or to happen
  • similar: Nearly the same; alike
  • generally: Usually; as a rule; by, to or for most people
  • vicinity: Surrounding or nearby region; proximity
  • primary: Most important, most basic or essential
  • form: Sports team or person's current winning record
  • effect: An advantage, benefit
  • reaction: Bodily response to a drug or something eaten
  • apply: To spread a substance or liquid over a surface
  • compare: To consider how similar and different things are
  • involve: To have or be included as a part of something
  • result: Something produced through tests or experiments
  • reason: To think and make conclusions in a logical manner
  • subject: The person, thing, or idea that is being discussed, described, or studied.
  • due: When something is required or expected
  • lead: Wire for electricity, computer, etc.; cable
  • alcohol: A colorless liquid that can catch fire (C2H5OH)
  • wanna: Shortened form of 'want to'. Used only in speaking
  • major: High-ranking officer in the army
  • intermediate: Between; in the middle; moderate
  • minor: Not so large in size; not important or valuable
  • sodium: A soft, white chemical element
  • react: To change when mixing with other chemicals
  • proceed: To continue to do something; carry on
  • carbon: Chemical element with an atomic number of 6
  • important: Having power or authority
  • fact: Something that is known or proved to be true
  • acid: Sour substance that reacts with metals e.g. lemon
  • attach: To be associated or connected with
  • hydrogen: Lightest of all chemical elements
  • mixture: Something made by combining two or more things
  • drive: A person's ambition and motivation to do something
  • great: Very good; better than before
  • configuration: A shape or outline; a method of arrangement
  • atom: Smallest bit that matter can be broken down into
  • acidic: Containing acid
  • anti: A prefix meaning 'against' or 'opposed'
  • rearrange: To rethink a plan, event for a time and place
  • oxidation: Process of combining with oxygen
  • proton: Tiny part of atom with positive electrical charge
  • ion: Atoms with either a positive or negative charge
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  • not found vocabularyNo vocabulary matches your filters
    • abstract

      US /ˈæbˌstrækt/

      UK /'æbstrækt/

      • Noun (Countable/Uncountable)
      • Passage of text from an article or book
      • Something that doesn't exist physically
      • Adjective
      • Concerning something that doesn't exist physically
      • Relating to abstract art.
      B1
      More
    • acid

      US /ˈæsɪd/

      UK /ˈæsɪd/

      • Noun (Countable/Uncountable)
      • Sour substance that reacts with metals e.g. lemon
      A2
      More
    • acidic

      US /əˈsɪdɪk/

      UK /əˈsɪdɪk/

      • Adjective
      • Containing acid
      B1
      More
    • alcohol

      US /ˈælkəˌhɔl,-ˌhɑl/

      UK /'ælkəhɒl/

      • Uncountable Noun
      • A colorless liquid that can catch fire (C2H5OH)
      • Drinks such as wine, whiskey, beer
      B1
      More
    • anti

      US /ˈæntaɪ, -ti/

      UK /'æntɪ/

      • Adjective
      • A prefix meaning 'against' or 'opposed'
      B2
      More
    • atom

      US /ˈætəm/

      UK /'ætəm/

      • Noun
      • Smallest bit that matter can be broken down into
      B1
      More
    • attach

      US /əˈtætʃ/

      UK /ə'tætʃ/

      • Verb (Transitive/Intransitive)
      • To be associated or connected with
      A2TOEIC
      More
    • automatically

      US /ˌɔtəˈmætɪkl:ɪ/

      UK /ˌɔ:tə'mætɪklɪ/

      • Adverb
      • In a way not requiring control by a person
      B1
      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
    • basically

      US /ˈbesɪkəli,-kli/

      UK /ˈbeɪsɪkli/

      • Adverb
      • Used before you explain something simply, clearly
      • In essence; when you consider the most important aspects of something.
      A2
      More
    • bond

      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
      A2TOEIC
      More
    • by itself

      US /baɪ ɪtˈsɛlf/

      UK /bai itˈself/

      • Adverb
      • Alone; without help or assistance.
      • Without any external influence or aid.
      A2
      More
    • carbon

      US /ˈkɑrbən/

      UK /'kɑ:bən/

      • Uncountable Noun
      • Chemical element with an atomic number of 6
      B1
      More
    • configuration

      US /kənˌfɪɡjəˈreʃən/

      UK /kənˌfɪgəˈreɪʃn/

      • Noun
      • A shape or outline; a method of arrangement
      B2
      More
    • determine

      US /dɪˈtɚmɪn/

      UK /dɪ'tɜ:mɪn/

      • Transitive Verb
      • To control exactly how something will be or act
      • To establish the facts about; discover
      A2TOEIC
      More
    • due to

      US /du tu/

      UK /dju: tu:/

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

      US /ɪˈkwɪvələnt/

      UK /ɪˈkwɪvələnt/

      • Adjective
      • Equal to something in value, use or meaning
      • Having the same meaning or significance.
      • Noun
      • Thing like another in quality, quantity or degree
      B1TOEIC
      More
    • for the most part

      US

      UK

      • Phrase
      • Generally; mostly; on the whole.
      • Mostly; generally; in most cases.
      A1
      More
    • generally

      US /ˈdʒɛnərəli/

      UK /ˈdʒenrəli/

      • Adverb
      • Usually; as a rule; by, to or for most people
      A2
      More
    • go on

      US /ɡo ɑn/

      UK /ɡəu ɔn/

      • Phrasal Verb
      • To continue doing something
      • To happen (usually negative)
      • Interjection
      • Used to encourage someone
      A1
      More
    • hydrogen

      US /ˈhaɪdrədʒən/

      UK /ˈhaɪdrədʒən/

      • Uncountable Noun
      • Lightest of all chemical elements
      B1
      More
    • intermediate

      US /ˌɪntɚˈmidiɪt/

      UK /ˌɪntəˈmi:diət/

      • Adjective
      • Between; in the middle; moderate
      • Having some knowledge but not advanced
      • Noun (Countable/Uncountable)
      • Person with some knowledge but not advanced
      • Something that comes between two things in time, place, character, etc.
      B1
      More
    • involve

      US /ɪnˈvɑlv/

      UK /ɪn'vɒlv/

      • Transitive Verb
      • To have or be included as a part of something
      • To cause (a person or group) to take part in an event or activity.
      A2TOEIC
      More
    • ion

      US /ˈaɪən/

      UK /'aɪən/

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

      US /ˈmedʒɚ/

      UK /'meɪdʒə(r)/

      • Countable Noun
      • High-ranking officer in the army
      • Main subject you study at university
      • Adjective
      • Main league; esp. referring to American baseball
      • Important, serious, or large in scope, size
      A2TOEIC
      More
    • mechanism

      US /ˈmɛkəˌnɪzəm/

      UK /'mekənɪzəm/

      • Noun (Countable/Uncountable)
      • Part of a machine that performs a certain function
      • System or process for achieving a certain result
      B1
      More
    • minor

      US /ˈmaɪnɚ/

      UK /'maɪnə(r)/

      • Adjective
      • Not so large in size; not important or valuable
      • An interval a half tone smaller than its major
      • Noun
      • Subject studied in college, but not the main one
      • Someone too young to be legally responsible
      B1
      More
    • mixture

      US /ˈmɪkstʃɚ/

      UK /ˈmɪkstʃə(r)/

      • Noun (Countable/Uncountable)
      • Something made by combining two or more things
      B1
      More
    • molecule

      US /ˈmɑlɪˌkjul/

      UK /ˈmɒlɪkju:l/

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

      US /əˈkɚ/

      UK /əˈkɜ:(r)/

      • Intransitive Verb
      • To come to pass or to happen
      • To be found to exist; to be present.
      A2TOEIC
      More
    • oxidation

      US /ˌɑksɪˈdeʃən/

      UK /ˌɒksɪ'deɪʃn/

      • Uncountable Noun
      • Process of combining with oxygen
      C1
      More
    • perspective

      US /pɚˈspɛktɪv/

      UK /pə'spektɪv/

      • Noun (Countable/Uncountable)
      • Artistic method of creating a sense of distance
      • Ability to understand what is important in life
      B1TOEIC
      More
    • previous

      US /ˈpriviəs/

      UK /ˈpri:viəs/

      • Adjective
      • Existing or happening before the present time
      • Existing or occurring immediately before in time or order.
      • Noun
      • A button or link that allows navigation to a preceding item or page.
      A2TOEIC
      More
    • primary

      US /ˈpraɪˌmɛri, -məri/

      UK /'praɪmərɪ/

      • Adjective
      • Most important, most basic or essential
      • Happening first; earliest
      B2
      More
    • proceed

      US /proʊˈsi:d/

      UK /prəˈsi:d/

      • Verb (Transitive/Intransitive)
      • To continue to do something; carry on
      • To go forward in a certain direction
      A2TOEIC
      More
    • proton

      US /ˈproʊtɑ:n/

      UK /ˈprəʊtɒn/

      • Countable Noun
      • Tiny part of atom with positive electrical charge
      B2
      More
    • react

      US /riˈækt/

      UK /rɪ'ækt/

      • Intransitive Verb
      • To change when mixing with other chemicals
      • To behave or make a change in a particular way
      A2
      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
    • rearrange

      US /ˌriəˈrendʒ/

      UK /ˌri:ə'reɪndʒ/

      • Verb (Transitive/Intransitive)
      • To rethink a plan, event for a time and place
      • To put into a new order for something to happen
      B1
      More
    • result

      US /rɪˈzʌlt/

      UK /rɪ'zʌlt/

      • Noun
      • Something produced through tests or experiments
      • Final score of a competition, election or game
      • Intransitive Verb
      • To be the outcome of other causes and effects
      • To happen or exist as a consequence of something.
      A2
      More
    • shift

      US /ʃɪft/

      UK /ʃɪft/

      • Verb (Transitive/Intransitive)
      • To change in position or direction
      • To move something from one place to another
      • Noun (Countable/Uncountable)
      • A change in a persons plans, opinions or beliefs
      • Period of work starting at a certain time
      A2
      More
    • sodium

      US /ˈsodiəm/

      UK /'səʊdɪəm/

      • Uncountable Noun
      • A soft, white chemical element
      B2
      More
    • substitute

      US /ˈsʌbstɪˌtut, -ˌtjut/

      UK /'sʌbstɪtju:t/

      • Transitive Verb
      • To perform the tasks instead of someone else
      • To replace one person or thing for another
      • Noun
      • A person or thing acting in place of another
      B2TOEIC
      More
    • the following

      US

      UK

      • Adjective
      • Next in order or sequence.
      • Uncountable Noun
      • What is about to be said or written.
      B1
      More
    • vicinity

      US /vɪˈsɪnɪti/

      UK /vəˈsɪnəti/

      • Noun
      • Surrounding or nearby region; proximity
      • An approximate amount or range.
      B2
      More
    • wanna

      US /ˈwɑnə/

      UK /'wɒnə/

      • Verb (Transitive/Intransitive)
      • Shortened form of 'want to'. Used only in speaking
      B2
      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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    B1US
    #carbon#reaction#hydrogen#secondary#proceeds#addition

    Markovnikov's Rule

    0
    Collared owlet posted on 2025/04/18
    Ever wondered how chemists predict the outcome of reactions? This video dives deep into Markovnikov's Rule, explaining regioselectivity and carbocation rearrangements step-by-step! You'll pick up some awesome advanced vocabulary and really boost your understanding of organic chemistry.

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