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complementary

Pronunciation: /ˌkɒmplɪˈmɛnt(ə)ɹi/

The English word “complementary” has 6 meanings listed here.

adjective

  1. Acting as a complement; making up a whole with something else.
  2. Of the specific pairings of the bases in DNA and RNA.
  3. Pertaining to pairs of properties in quantum mechanics that are inversely related to each other, such as speed and position, or energy and time. (See also Heisenberg uncertainty principle.)

noun

  1. A complementary colour.
  2. One skilled in compliments.
  3. An angle which adds with another to equal ninety degrees.

Etymology

From complement + -ary. Piecewise doublet of complimentary.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.