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easterly wave

American  

noun

  1. a westward-moving, wavelike disturbance of low atmospheric pressure embedded in tropical easterly winds.

Example Sentences

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"That's because we're seeing more south-westerly wave events than easterly wave events," he added.

From BBC ● Jan. 31, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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