[ek-struh-trop-i-kuh l, ek-]
- any large-scale, cyclonic storm that is not a tropical cyclone, especially the common frontal cyclone of the middle and high latitudes.
Origin of extratropical cyclone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- See under cyclone.
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