Definitions

from The Century Dictionary.

  • noun One who or that which initiates.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who initiates.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun One who initiates
  • noun chemistry A substance that initiates a chain reaction or polymerization
  • noun computing A task (in a mainframe computer) that initiates multiple jobs
  • noun medicine A material whose presence in the body eventually leads to cancer

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

  • noun a person who initiates a course of action

Etymologies

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Examples

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