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    equation

    US /ɪˈkweʒən, -ʃən/

    UK /ɪˈkweɪʒn/

    • Noun (Countable/Uncountable)
    • Mathematical statement showing things to be equal
    • Complex set of different facts, ideas or issues
    square

    US /skwɛr/

    UK /skweə(r)/

    • Noun (Countable/Uncountable)
    • Shape with 4 equal length sides and 4 equal angles
    • The result of multiplying Length by the width
    • Adjective
    • Being fair or honest
    • Multiply a number by itself e.g. 2x2 or 6x6
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    derive

    US /dɪˈraɪv/

    UK /dɪˈraɪv/

    • Verb (Transitive/Intransitive)
    • To come from another thing
    world

    US /wɜrld /

    UK /wɜ:ld/

    • Noun (Countable/Uncountable)
    • All the humans, events, activities on the earth
    • Political division due to some kind of similarity
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    energy point vocabulary