Added 9 October 2026
complementary
/ˌkɒmplɪˈmɛnt(ə)ɹi/ adjective
In Latin: complēmentārius Wiktionary
adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about complementary at Wordnik → Where our words come from →
-
Acting as a complement; making up a whole with something else.
I'll provide you with some complementary notes to help you study.
- Of the specific pairings of the bases in DNA and RNA.
- 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
Origin
From complement + -ary. Piecewise doublet of complimentary.
From Wiktionary, via Kaikki.org (CC BY-SA)