unit - definition and synonyms

noun [countable] 

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  1. 1
    an individual thing that is part of something larger

    The sen is the smallest unit of Malaysian currency.

    1. a.
      one of the parts that an educational book or course of study is divided into

      We’re on Unit 6.

  2. 4
    a family, considered as part of society or considered as a group of individual people

    the traditional two-parent family unit

  3. 7
    maths a whole number less than 10

    Enter 17 by putting 1 in the tens column, and 7 in the units column.