Definition of "cancellation" in English

noun

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

2. (mathematics) The operation of striking out common factors, e.g. in both the dividend and divisor.

3. (philately) A postmark that marks a postage stamp so as to prevent its reuse.

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

5. (anatomy) The property of being cancellate.

   • 194?, Columbia University. School of Dental and Oral Surgery, Principles of Radiodontia Spongy bone is composed of cancellated areas appearing as a fine, interlacing network. These cancellated spaces are irregular both in size and shape. The normal cancellation is rather large […]