fail-secure

== English == === Adjective === fail-secure (not comparable) Of a device: such that, if it fails, it does so in a way that will cause little or no harm to other devices and personnel. ==== Usage notes ==== The primary use of the term is with regards to security doors and motorized gates. A motor that has "fail-secure" capabilities will, in case of a power outage, be able to be opened by means of a supplied hand crank. ==== Related terms ==== fail-safe === Anagrams === luciferase