follow Dictionary.com

8 Wintry Words to Defrost Your Vocabulary

anhydrous

[an-hahy-druh s] /ænˈhaɪ drəs/
adjective, Chemistry
1.
with all water removed, especially water of crystallization.
Origin
1810-1820
1810-20; < Greek ánȳdros waterless (with etymological h restored). See an-1, hydro-1, -ous
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for anhydrous
  • Indeed, the next category on the beauty horizon is anhydrous products, which do not require water to use them.
  • anhydrous hydrogen chloride is hydrogen chloride that is free from water.
  • Records note workers' exposure to anhydrous chlorine and boron trichloride vapors.
  • anhydrous ammonia is a major source of nitrogen as a fertilizer for corn and other crops.
  • anhydrous bromine is less reactive toward many metals than hydrated bromine, however.
British Dictionary definitions for anhydrous

anhydrous

/ænˈhaɪdrəs/
adjective
1.
containing no water, esp no water of crystallization
Word Origin
C19: from Greek anudros; see an-, hydro-
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
Cite This Source
Word Origin and History for anhydrous
adj.

"containing no water," 1819, a modern coinage from Greek an-, privative prefix (see an- (1)), + hydor "water" (see water (n.1)). Greek did have anhydros "waterless," used of arid lands or corpses that had not been given proper funeral rites.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
anhydrous in Medicine

anhydrous an·hy·drous (ān-hī'drəs)
adj.
Without water, especially water of crystallization.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
anhydrous in Science
anhydrous
  (ān-hī'drəs)   
Not containing water, especially water of crystallization.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for anhydrous

Some English speakers likely know this word

Word Value for anhydrous

0
16
Scrabble Words With Friends

Nearby words for anhydrous