push-button /ˈpʊʃˌbʌtn̩/adjective 1noun 1forms 2 adjective1 •Which can be initiated or activated at the push of a button.The push-button, entrance-exit signalling console incorporated in the operating floor of the yard control tower governs entry to and egress from the yard, [...] — 1963 noun1 •An electrical switch activated by pressing a button.The cab equipment of the automatic control system is illustrated. It consists of a rotary switch graduated from 0 to 120 km.p.h. at 5 km.p.h. intervals, and four push-buttons. — 1964 formspush buttons · push-buttons
