Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One that activates, especially a device responsible for actuating a mechanical device, such as one connected to a computer by a sensor link.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Something that actuates something else, especially a mechanism that causes a device to be switched on or off
  • n. The mechanism that moves the head assembly on a disk drive
  • n. A relay that controls the flow of electricity

from the GNU version of the Collaborative International Dictionary of English

  • n. One who actuates, or puts into action.

from The Century Dictionary and Cyclopedia

  • n. One who or that which actuates or puts in action.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a mechanism that puts something into automatic action

Etymologies

Sorry, no etymologies found.

Examples

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