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tropical cyclone

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noun
  1. a cyclone that originates over a tropical ocean area and can develop into the destructive storm known in the U.S. as a hurricane, in the western Pacific region as a typhoon, and elsewhere by other names.Compare extratropical cyclone, hurricane(def 1), willy-willy.
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Origin of tropical cyclone

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

cyclonehurricanetempesttyphoon

tropical cyclone in Science

tropical cyclone

[trŏpĭ-kəl]
  1. See under cyclone.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.