- containing water.
- Chemistry. containing water or its elements in some kind of union, as in hydrates or hydroxides.
Origin of hydrous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hydrous
Composition, a hydrous silicate of magnesia, much like that of serpentine.Geology
William J. Miller
According to Dana (System of Mineralogy 689), it is cimolite, a hydrous silicate of aluminium.De Re Metallica
Autunite, a hydrous phosphate of uranium and calcium, crystallizing in the rhombic system in yellow plates.
Hydrous, Hydruntum, Otranto, has as good a claim as a city can well have to be looked on as the end of the world.Sketches from the Subject and Neighbour Lands of Venice
Edward A. Freeman
Iolite is a hydrous magnesium and aluminium silicate, with ferrous iron partially replacing magnesium.
- containing water
- (of a chemical compound) combined with water moleculeshydrous copper sulphate, CuSO 4 .5H 2 O
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
- Containing water.
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