1945 Mar. 208/1 The mechanical contour is an additional safeguard which prevents guns from pointing at personnel on the plane. This is done because cartridges sometimes ‘cook off’ in a hot barrel.
1995 J. Winton 91 Two Seacat missiles and probably some other explosives cooked off, and the blast..blew the door off on the upper deck.
2016 R. F. Fischer v. 114 After five hours of nonstop detonations the last of the ammunition at the dump finally cooked off.