phosphoric acid
noun Date: 1784 1. a syrupy or deliquescent tribasic acid H3PO4 used especially in preparing phosphates (as for fertilizers), in rust-proofing metals, and especially formerly as a flavoring in soft drinks — called also orthophosphoric acid 2. a compound (as pyrophosphoric acid or metaphosphoric acid) consisting of phosphate groups linked directly to each other by oxygen

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Phosphoric acid — Phosphoric Phos*phor ic, a. [Cf. F. phosphorique.] 1. (Chem.) Of or pertaining to phosphorus; resembling, or containing, from us; specifically, designating those compounds in which phosphorus has a higher valence as contrasted with the… …   The Collaborative International Dictionary of English

  • phosphoric acid — n. any of several oxygen acids of phosphorus: see ORTHOPHOSPHORIC ACID, METAPHOSPHORIC ACID, and PYROPHOSPHORIC ACID …   English World dictionary

  • phosphoric acid — ► NOUN Chemistry ▪ a crystalline acid obtained by treating phosphates with sulphuric acid …   English terms dictionary

  • Phosphoric acid — This article is about orthophosphoric acid. For other acids commonly called phosphoric acid , see Phosphoric acids and phosphates. Phosphoric acid …   Wikipedia

  • phosphoric acid — Chem. any of three acids, orthophosphoric acid, H3PO4, metaphosphoric acid, HPO3, or pyrophosphoric acid, H4P2O7, derived from phosphorus pentoxide, P2O5, and various amounts of water. [1785 95] * * * ▪ chemical compound also called… …   Universalium

  • phosphoric acid — Orthophosphoric acid; a strong acid of industrial importance; m.p. 42.35°C; dilute solutions have been used as urinary acidifiers and as dressings to remove necrotic debris. In dentistry, it constitutes about 60% of the liquid used in zinc… …   Medical dictionary

  • phosphoric acid — noun an acid used in fertilizers and soaps: H3PO4 • Syn: ↑orthophosphoric acid • Hypernyms: ↑oxyacid, ↑oxygen acid * * * phosphoric acid f17 [phosphoric acid] [fɒsˌfɒrɪk ˈæsɪd] …   Useful english dictionary

  • phosphoric acid — [[t]fɒsfɒ̱rɪk æ̱sɪd, AM fɔ͟ːr [/t]] N UNCOUNT Phosphoric acid is a type of acid which contains phosphorus. [TECHNICAL] …   English dictionary

  • phosphoric acid — ortofosfato rūgštis statusas T sritis chemija formulė H₃PO₄ atitikmenys: angl. orthophosphoric acid; phosphoric acid rus. ортофосфорная кислота; фосфорная кислота ryšiai: sinonimas – vandenilio tetraoksofosfatas (3–) sinonimas – fosforo rūgštis …   Chemijos terminų aiškinamasis žodynas

  • phosphoric acid — phosphor′ic ac′id n. chem. any of three acids, orthophosphoric acid, H3PO4, metaphosphoric acid, HPO3, or pyrophosphoric acid, H4P2O7, derived from phosphorus pentoxide, P2O5, and various amounts of water …   From formal English to slang

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