COMPLEMENT

/ˈkɒmpləmənt/ ► audio Scrabble 18 Words With Friends 24

Definition

verb make complete or perfect.
noun a word or phrase used to complete a grammatical construction.
noun a complete number or quantity.
noun number needed to make up a whole force. — synonyms: full_complement
noun something added to complete or embellish or make perfect. — synonyms: accompaniment
noun one of a series of enzymes in the blood serum that are part of the immune response.
noun either of two parts that mutually complete each other.

“The complement of blue is orange.”
“The complement of the odd numbers is the even numbers, relative to the natural numbers.”
“The complement of 01100101_2 is 10011010_2.”