cancelation

/K AE1 N S AH0 L EY1 SH AH0 N/
noun
  1. 1

    The act, process, or result of cancelling; as, the cancellation of certain words in a contract, or of the contract itself.

  2. 2

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

  3. 3

    A postmark that marks a postage stamp so as to prevent its reuse.

  4. 4

    In United States intellectual property law, a proceeding in which an interested party seeks to cancel the registration of a trademark or patent.

  5. 5

    The property of being cancellate.

Source: https://en.wiktionary.org/wiki/cancelation, https://en.wiktionary.org/wiki/cancellation