actuator

English Thesaurus

1. a mechanism that puts something into automatic action (noun.artifact)

hypernym	:	mechanism,
definition	:	device consisting of a piece of machinery; has moving parts that perform some function (noun.artifact)

hyponym	:	positioner, rotary actuator,
definition	:	(computer science) the actuator that moves a read/write head to the proper data track (noun.artifact)

derivation	:	activate, actuate, set off, spark, spark off, touch off, trigger, trigger off, trip,
definition	:	put in motion or move to act (verb.creation)

derivation	:	activate, actuate, set off, spark, spark off, touch off, trigger, trigger off, trip,
definition	:	put in motion or move to act (verb.creation)