metaphosphoric acid

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

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

British Dictionary definitions for metaphosphoric acid

metaphosphoric acid
/ (ˌmɛtəfɒsˈfɒrɪk) /

noun

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

Medical definitions for metaphosphoric acid

metaphosphoric acid
[ mĕt′ə-fŏs-fôrĭk ]

n.

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