complement

noun

1. The totality, the full amount or number which completes something.
2. The whole working force of a vessel.
3. An angle which, together with a given angle, makes a right angle.
4. Something which completes, something which combines with something else to make up a complete whole; loosely, something perceived to be a harmonious or desirable partner or addition.
5. A word or group of words that completes a grammatical construction in the predicate and that describes or is identified with the subject or object.
6. A phonetic complement is a graphic element that modifies another, such as (in Linear B script) a small syllabogram that is attached to a logogram as an abbreviation of its reading (as opposed to an adjunct that abbreviates an adjective that modifies that logogram).
7. An interval which, together with the given interval, makes an octave.
8. The color which, when mixed with the given color, gives black (for mixing pigments) or white (for mixing light).
9. Given two sets, the set containing one set's elements that are not members of the other set (whether a relative complement or an absolute complement).
10. One of several blood proteins that work with antibodies during an immune response.
11. An expression related to some other expression such that it is true under the same conditions that make other false, and vice versa.
12. A voltage level with the opposite logical sense to the given one.
13. A bit with the opposite value to the given one; the logical complement of a number.
14. The diminished radix complement of a number; the nines' complement of a decimal number; the ones' complement of a binary number.
15. The radix complement of a number; the two's complement of a binary number.
16. The numeric complement of a number.
17. A nucleotide sequence in which each base is replaced by the complementary base of the given sequence: adenine (A) by thymine (T) or uracil (U), cytosine (C) by guanine (G), and vice versa.
18. Synonym of alexin.
19. Something (or someone) that completes; the consummation.
20. The act of completing something, or the fact of being complete; completion, completeness, fulfilment.