can·cel·la·tion also US can·cel·a·tion 
/ˌkænsəˈleɪʃən/ noun
plural can·cel·la·tions /ˌkænsəˈleɪʃən/ noun 1 : a decision to stop doing or planning to do something : the act of canceling something (such as a game, performance, etc.) [count] ▪ The storm caused delays and flight cancellations. [noncount] ▪ In case of cancellation, the game will be played at a later date. [=if the game is canceled, it will be rescheduled for later] 2 : the act of causing something to end or no longer produce a certain effect : a decision to stop something from being effective or valid [noncount] ▪ Notice of cancellation should be given 30 days in advance. ▪ There is a fee for cancellation. [count] ▪ Cancellations increased when rates doubled. — often used before another noun ▪ cancellation fees ▪ The contract includes a cancellation clause.
