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A salt, ester, or anion of metaphosphoric acid.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) any salt of metaphosphoric acid
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌmɛt əˈfɒs feɪt)

a salt or ester of metaphosphoric acid.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
The wet process adopted in traditional industrial production allows phosphorylating agents (orthophosphate, metaphosphate, phosphorus oxychloride, etc.,) to be added to the starch suspension or reacted in organic solvents.
Acet et al., "Elastic and nonlinear acoustic properties and thermal expansion of cerium metaphosphate glasses," Journal of Non-Crystalline Solids, vol.
Beuneu et al., "Effects of transition metal oxide doping on the structure of sodium metaphosphate glasses," Physica B: Condensed Matter, vol.
Later work on binary magnesium phosphate glass exhibit unusual trends in the relationship of their composition/ physical properties such as density and refractive index around the metaphosphate composition [7,12].
The copper polyphosphates with a molar ratio of Cu/P < 1 are much less numerous, for example, the metaphosphate [Cu.sub.2][P.sub.4][O.sub.12] and the ultraphosphate [Cu.sub.2][P.sub.8][O.sub.22] [4, 6-9].
The procedure consisted of splitting each sample to obtain a representative sub-sample of 5 to 8 gm of sediment, dispersing the sample in sodium metaphosphate and mixing for 15 minutes, passing the wet sample through a sieve with 0.063 mm opening to separate the gravel and sand fractions from the silt and clay fractions, and analyzing the suspension that passed the 0.063 mm sieve using a SediGraph Analyzer (described in more detail by Duncan and LaHaie, 1979).
Oxidative bioactivation of methamidophos insecticide: synthesis of N-hydroxymethamidophos (a candidate metabolite) and its proposed alternative reactions involving N [vector] 0 rearrangement or fragmentation through a metaphosphate analogue.
Most of the peaks in diffraction patters correspond to [beta]-calcium orthophosphate (major phase) while the minor phase contains calcium orthophosphate primary along with small amount of calcium metaphosphate hydrate, respectively.