metaphosphoric acid

metaphosphoric acid

noun Chemistry.

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


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


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

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