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föhn

British  
/ føːn, fɜːn /

noun

  1. a warm dry wind blowing down the northern slopes of the Alps. It originates as moist air blowing from the Mediterranean, rising on reaching the Alps and cooling at the saturated adiabatic lapse rate, and descending on the leeward side, warming at the dry adiabatic lapse rate, thus gaining heat See also lapse rate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of föhn

German, from Old High German phōnno , from Latin favōnius ; related to fovēre to warm

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.