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.

Compare phosphoric acid.

Origin of metaphosphoric acid

First recorded in 1825–35; meta- + phosphoric

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for metaphosphoric acid

metaphosphoric acid

noun

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

[mĕt′ə-fŏs-fôr′ĭk]

n.

An inorganic compound used as a dehydrating agent and in dental cements.