A device used to cancel something, especially one that makes a cancellation on a postage stamp.
- ‘Eventually, all network echo cancelers were updated or replaced with ones that could be disabled.’
- ‘The top configuration tests how the canceler responds to signals that arrive through different delay paths.’
- ‘Because they were distributed only to major cities, we would not expect to find strikes of the commercial rubber cancelers on Executive, State, Justice, or Navy stamps.’
We take a look at several popular, though confusing, punctuation marks.