extratropical cyclone

US:USA pronunciation: respellingUSA pronunciation: respelling(ek′strə trop′i kəl, ek′-)


WordReference Random House Unabridged Dictionary of American English © 2026
ex′tra•trop′i•cal cy′clone  (ek′strə trop′i kəl, ek′-),USA pronunciation 
  1. Meteorologyany large-scale, cyclonic storm that is not a tropical cyclone, esp. the common frontal cyclone of the middle and high latitudes.
  • extra- + tropical 1920–25

'extratropical cyclone' also found in these entries (note: many are not synonyms or translations):
cyclone - frontal cyclone - tropical cyclone

Forum discussions with the word(s) "extratropical cyclone" in the title:


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