Hypertext Webster Gateway: "complementary"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Complementary \Com`ple*men"ta*ry\, a.
Serving to fill out or to complete; as, complementary
numbers.
{Complementary colors}. See under {Color}.
{Complementary angles} (Math.), two angles whose sum is
90[deg].
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Complementary \Com`ple*men"ta*ry\, n. [See {Complimentary}.]
One skilled in compliments. [Obs.] --B. Jonson.
From WordNet (r) 1.7 (wn)
complementary
adj 1: acting as or providing a complement (something that
completes the whole) [syn: {complemental}, {completing}]
2: of words so related that each is the negation of the other;
"`male' and `female' are complementary terms"
3: of or relating to or suggestive of complementation;
"interchangeable electric outlets" [syn: {interchangeable}]
n : either one of two chromatic colors that when mixed together
give white (in the case of lights) or gray (in the case
of pigments); "yellow and blue are complementaries" [syn:
{complementary color}]
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