metaphosphoric acid

[ met-uh-fos-fawr-ik, -for- ]
/ ˌmɛt ə fɒsˈfɔr ɪk, -ˈfɒr- /
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noun Chemistry.

an acid, HPO3, derived from phosphorous pentoxide, and containing the smallest amount of water of the phosphoric acids.



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Origin of metaphosphoric acid

First recorded in 1825–35; meta- + phosphoric
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for metaphosphoric acid

metaphosphoric acid
/ (ˌmɛtəfɒsˈfɒrɪk) /


a glassy deliquescent highly polymeric solid, used as a dehydrating agent. Formula: (HPO 3) nSee also polyphosphoric acid
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 metaphosphoric acid

metaphosphoric acid
[ mĕt′ə-fŏs-fôrĭk ]


An inorganic compound used as a dehydrating agent and in dental cements.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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