plural of alarmer

Easily alarmed; excitable. / (rare) Of a building, etc.: capable of being fitted with an alarm system.

plural of alarmism

A clock with an alarm that can be set to sound at a determined time.

An electromechanical or electronic bell, klaxon, chime, horn, speaker, strobe light or other device which warns people in a building of a possible fire or other condition requiring evacuation.

A warning device that is activated by trespassers, intended to deter burglars. / The loud warning signal produced by a burglar alarm.

A burglar alarm that makes no noise that is audible to the trespasser.

A burglar alarm.

An audible warning, on some trains, that the automatic doors are about to close

A smoke detector.