initiator

名词 n.
中文释义

英文释义

名词 n.
  1. One who initiates.
  2. A substance that initiates a chain reaction or polymerization.
  3. A component of a nuclear weapon that produces a burst of neutrons to start the chain reaction.
    — ‘This, er, initiator of polonium and lithium, would it be used in an anti-personnel bomb?’ he asked. ‘Oh yes, you could say so, boyo,’ replied the Welshman. ‘An initiator, you see, is what sets off a nuke.’
  4. A task (in a mainframe computer) that initiates multiple jobs.
  5. A material whose presence in the body eventually leads to cancer.

词形变化

initiators plural

词汇关系

衍生词
coinitiator macroinitiator photoinitiator preinitiator pyrotechnic initiator reinitiator thermoinitiator

词源

Borrowed from Latin initiātor. By surface analysis, initiate + or.
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