From Longman Dictionary of Contemporary Englishdelayed-actiondeˌlayed-ˈaction adjective [only before noun] DELAYdesigned to work or start only after a fixed period of time has passed a delayed-action bomb
Examples from the Corpus
delayed-action• Yet this delayed-action disease manifested itself in widening circles and in larger numbers of people.• I was now shaking with delayed-action shock. 