initiator
The English word “initiator” has 5 meanings listed here.
noun
- One who initiates.
- A substance that initiates a chain reaction or polymerization.
- A component of a nuclear weapon that produces a burst of neutrons to start the chain reaction.
- A task (in a mainframe computer) that initiates multiple jobs.
- A material whose presence in the body eventually leads to cancer.
Etymology
Borrowed from Latin initiātor. By surface analysis, initiate + or.
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.