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complementation

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      Meanings

      Noun

      1. the act or process of adding what completes or balances something

      2. the use or selection of complements in grammatical structure

      3. in genetics, the restoration or testing of function when different mutations or gene products supply what the other lacks

      More meanings
      1. in mathematics or logic, the operation of forming a complement

      Beyond the definition

      Complementation describes how two things complete each other, with each one bringing something the other one lacks. Think of peanut butter and jelly—neither is quite as good on its own! It is about parts that work together to make a stronger whole. In linguistics, it refers to the word or phrase a verb (or another word) needs to feel complete (like saying "I enjoy reading," where "reading" finishes the idea of "enjoy"). You might say a chef's skills and fresh ingredients show great complementation, resulting in an amazing meal.

      The idea is that something isn't just added to something else; it fills a gap or brings out what is already there. A well-chosen accessory can complement an outfit and make the whole look more polished. Or consider a team where one person's strengths cover another person's weak spots—that kind of complementation is often how they succeed.

      Examples

      1. 1

        Linguistics course

        In linguistics, the course introduces basic patterns of complementation in English.

      2. 2

        Spoken English

        The study compares the complementation of hope and want in spoken English.

      3. 3

        Genetics lab

        In the genetics lab, complementation tests showed that the two mutations were in different genes.

        • Phrasecomplementation test

          a test used to check whether two mutations affect the same gene or different genes

      See also

      Similar

      Shades of meaning

      Contrast

      Used with (collocations)

      • mutual complementation
      • functional complementation

      Word family

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      Forms and spellings

      1 form open this card.

      Main spelling

      • complementationnoun