trip

trip

1. 

a. any catch on a mechanism that acts as a switch

b. (as modifier): trip button

2. a surge in the conditions of a chemical or other automatic process resulting in an instability

3. Informal a hallucinogenic drug experience

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

trip

[trip]

(engineering)

To release a lever or set free a mechanism.

(mining engineering)

The line of cars hauled by mules or by motor, or run on a slope, plane, or sprag road.

An automatic arrangement for dumping cars.

(ordnance)

Part of the mechanism of some firearms, released by the action of the trigger.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.