retrofire Hear it!

retrofire definition

☆ retro·fire (re′trə fīr′)

transitive verb retrofired -·fired′, retrofiring -·fir′·ing

to ignite (a retrorocket)

intransitive verb

to become ignited: said of a retrorocket

noun

the igniting of a retrorocket

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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