heat-wave

heat wave

noun
1.
an air mass of high temperature covering an extended area and moving relatively slowly.
2.
a period of abnormally hot and usually humid weather.

Origin:
1875–80

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To heat-wave
Collins
World English Dictionary
heat wave
 
n
1.  a continuous spell of abnormally hot weather
2.  (not in technical use) an extensive slow-moving air mass at a relatively high temperature

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature