auto- + cancel
autocancel (third-person singular simple present autocancels, present participle (UK) autocancelling or (US) autocanceling, simple past and past participle (UK) autocancelled or (US) autocanceled)
- (transitive, Internet) To cancel (a previously posted message on Usenet) automatically.
autocancel (plural autocancels)
- (Internet) A Usenet control message, generated automatically, that cancels a previously posted message.