Cancellation

[,kænsə'leɪʃ(ə)n] or [,kænsə'leʃən]

(noun.) the act of cancelling; calling off some arrangement.

(noun.) the speech act of revoking or annulling or making void.

Checker: Otis--From WordNet

(n.) The act, process, or result of canceling; as, the cansellation of certain words in a contract, or of the contract itself.

(n.) The operation of striking out common factors, in both the dividend and divisor.

Checked by Lanny