## COMPLEMENT

### Complement

In set theory, a**complement**of a set

*A*refers to things not in

*A*. The

**relative complement**of

*A*with respect to a set

*B*, is the set of elements in

*B*but not in

*A*. When all sets under consideration are considered to be subsets of a given set

*U*, the

**absolute complement**of

*A*is the set of all elements in

*U*but not in

*A*.

*The above text is a snippet from Wikipedia: Complement (set theory)*

and as such is available under the Creative Commons Attribution/Share-Alike License.

and as such is available under the Creative Commons Attribution/Share-Alike License.

### complement

#### Noun

- Something (or someone) that completes; the consummation.
- The act of completing something, or the fact of being complete; completion, completeness, fulfilment.
- The totality, the full amount or number which completes something.
- Something which completes one's equipment, dress etc.; an accessory.
- The whole working force of a vessel.
- Fullness (of the moon).
- An angle which, together with a given angle, makes a right angle.
- 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.
- 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.
- An interval which, together with the given interval, makes an octave.
- The color which, when mixed with the given color, gives black (for mixing pigments) or white (for mixing light).
*The***complement**of blue is orange.

- 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).
*The***complement**of the odd numbers is the even numbers, relative to the natural numbers.

- One of several blood proteins that work with antibodies during an immune response.
- An expression related to some other expression such that it is true under the same conditions that make other false, and vice versa.
- A voltage level with the opposite logical sense to the given one.
- A bit with the opposite value to the given one; the logical complement of a number.
- The diminished radix complement of a number; the nines' complement of a decimal number; the ones' complement of a binary number.
*The***complement**of <math>01100101_2</math> is <math>10011010_2</math>.

- The radix complement of a number; the two's complement of a binary number.
*The***complement**of <math>01100101_2</math> is <math>10011011_2</math>.

- The numeric complement of a number.
*The***complement**of -123 is 123.

- 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.
*A DNA molecule is formed from two strands, each of which is the***complement**of the other.

#### Verb

- To complete, to bring to perfection, to make whole.
*We believe your addition will***complement**the team.

- To provide what the partner lacks and lack what the partner provides.
*The flavors of the pepper and garlic***complement**each other, giving a very rich taste in combination.*I believe our talents really***complement**each other.

- To change a voltage, number, color, etc. to its complement.

*The above text is a snippet from Wiktionary: complement*

and as such is available under the Creative Commons Attribution/Share-Alike License.

and as such is available under the Creative Commons Attribution/Share-Alike License.