anhydrous

[ an-hahy-druh s ]
/ ænˈhaɪ drəs /

adjective Chemistry.

with all water removed, especially water of crystallization.

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Origin of anhydrous

1810–20; < Greek ánȳdros waterless (with etymological h restored). See an-1, hydro-1, -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for anhydrous

British Dictionary definitions for anhydrous

anhydrous
/ (ænˈhaɪdrəs) /

adjective

containing no water, esp no water of crystallization

Word Origin for anhydrous

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

Medical definitions for anhydrous

anhydrous
[ ăn-hīdrəs ]

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.

Scientific definitions for anhydrous

anhydrous
[ ăn-hīdrəs ]

Not containing water, especially water of crystallization.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.