Trigger



GRE Barron TOEFL 考研

解释

GRE 红宝书

• n.扳机; v.引发, 导致
• ［英］ n.扳机; v.引发, 导致 ( to initiate, actuate, or set off)
• ［例］ a stimulus that triggers a reflex ( 引起反射的刺激)

Webster Collegiate

I. noun

• Etymology: alteration of earlier tricker, from Dutch trekker, from Middle Dutch trecker one that pulls, from trecken to pull — more at trek
• Date: 1621
• 1.
  • a. a piece (as a lever) connected with a catch or detent as a means of releasing it; especially the part of the action moved by the finger to fire a gun
  • b. a similar movable part by which a mechanism is actuated <trigger of a spray gun>
• 2. something that acts like a mechanical trigger in initiating a process or reaction
• ? trigger adjective
• ? triggered adjective

II. verb (triggered; triggering)

• Date: 1916
• transitive verb
  • 1.
    • a. to release or activate by means of a trigger; especially to fire by pulling a mechanical trigger <trigger a rifle>
    • b. to cause the explosion of <trigger a missile with a proximity fuse>
  • 2. to initiate, actuate, or set off by a trigger <an indiscreet remark that triggered a fight><a stimulus that triggered a reflex>
• intransitive verb
  • to release a mechanical trigger

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