Cancellation
Pronunciation : Can`cel*la"tion
Part of Speech : n.
Etymology : [L. cancellatio: cf. F. cancellation.]
Definition : 1. The act, process, or result of canceling; as, the cansellation of certain words in a contract, or of the contract itself.
2. (Math.)
Defn: The operation of striking out common factora, in both the dividend and divisor.
Source : Webster's Unabridged Dictionary, 1913