complementing Definition

complement
noun

1. Something that completes or perfects; something that provides a needed balance or contrast.

Thesaurus: remainder, balance, supplement, rest, counterpart, parallel, equivalent, match.
2. The number or quantity required to make something complete, eg the crew of a ship.

Form: full complement (often)
3. grammar.
A word or phrase added to a verb to complete the predicate of a sentence, eg dark in It grew dark.
4. math.
In set theory: all the members of a universal set that do not belong to a specified set S.
5. geom.
The amount by which an angle or arc falls short of a right angle or quadrant 4.
6. biol.
In blood serum: a group of proteins that combine with antibodies and thereby enhance the destruction of foreign particles following an immune response.

verb

complemented, complementing
1. To be a complement to something.

Etymology: 14c: from Latin complementum, from complere to fill up.

Info:

There is often a spelling confusion between complement and compliment.