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    negative

    US /ˈnɛɡətɪv/

    UK /'neɡətɪv/

    • Noun
    • The opposite to a positive electrical charge
    • In grammar, containing words such as 'no' or 'not'
    • Adjective
    • Being harmful, unwanted or unhelpful
    • In mathematics, being less than zero
    positive

    US /ˈpɑzɪtɪv/

    UK /ˈpɒzətɪv/

    • Adjective
    • Showing agreement or support for something
    • Being sure about something; knowing the truth
    • Noun
    • A photograph in which light areas are light and dark areas are dark
    lead

    US /lid/

    UK /li:d/

    • Noun (Countable/Uncountable)
    • Wire for electricity, computer, etc.; cable
    • Information that could help to solve a crime
    • Adjective
    • Being the main part in movies or plays
    A1TOEIC
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    experiment

    US /ɪkˈspɛrəmənt/

    UK /ɪk'sperɪmənt/

    • Noun (Countable/Uncountable)
    • Test performed to assess new ideas or theories
    • A course of action tentatively adopted without being sure of the eventual outcome.
    • Verb (Transitive/Intransitive)
    • To create and perform tests to research something
    • To try something new that you haven't tried before
    A2TOEIC
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