metaphosphoric acid

[met-uh-fos-fawr-ik, -for-]

noun Chemistry.

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

Origin of metaphosphoric acid

First recorded in 1825–35; meta- + phosphoric Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for metaphosphoric acid

metaphosphoric acid


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

metaphosphoric acid in Medicine

metaphosphoric acid



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.