adjective Date: 1788 of, relating to, or containing phosphorus especially with a valence lower than in phosphoric compounds

New Collegiate Dictionary. 2001.

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  • Phosphorous — Phos phor*ous (f[o^]s f[o^]r*[u^]s), a. [Cf. F. phosphoreux.] (Chem.) Of or pertaining to phosphorus; resembling or containing phosphorus; specifically, designating those compounds in which phosphorus has a lower valence as contrasted with… …   The Collaborative International Dictionary of English

  • phosphorous — (adj.) 1777, phosphorescent, from PHOSPHORUS (Cf. phosphorus) + OUS (Cf. ous). The chemical sense (1794) is immediately from Fr. phosphoreux …   Etymology dictionary

  • phosphorous — [fäs′fə rəs, fäs fôr′əs] adj. [ PHOSPHOR(US) + OUS] 1. rare var. of PHOSPHORESCENT 2. [Fr phosphoreux] of, like, or containing phosphorus, esp. trivalent phosphorus …   English World dictionary

  • phosphorous — phosphorus, phosphorous Phosphorus is the noun for the chemical element, and phosphorous is the adjective meaning ‘containing phosphorus’ …   Modern English usage

  • phosphorous — phosphorus ► NOUN ▪ a poisonous non metallic chemical element existing as a yellowish waxy solid which ignites spontaneously in air and glows in the dark, and as a less reactive form used in making matches. DERIVATIVES phosphorous adjective.… …   English terms dictionary

  • phosphorous — [ fɒsf(ə)rəs] adjective 1》 relating to or containing phosphorus.     ↘Chemistry of phosphorus with a valency of three. 2》 phosphorescent. Usage The correct spelling for the noun denoting the chemical element is phosphorus, while the adjective is… …   English new terms dictionary

  • phosphorous — /fos feuhr euhs, fos fawr euhs, fohr /, adj. Chem. containing trivalent phosphorus. [1770 80; PHOSPHOR + OUS] * * * …   Universalium

  • phosphorous — adjective a) Of or pertaining to phosphorus. b) Resembling phosphorus. Syn: phosphoric See Also: phosphoric, phosphorus …   Wiktionary

  • phosphorous — 1. Relating to, containing, or resembling phosphorus. 2. Referring to phosphorus in its lower (+3) valence state. * * * phos·pho·rous fäs f(ə )rəs; fäs fōr əs, fȯr adj of, relating to, or containing phosphorus esp. with a valence lower than in… …   Medical dictionary

  • phosphorous — phos·pho·rous || fÉ‘sfÉ™rÉ™s / fÉ’s adj. containing phosphorus (chemical element) …   English contemporary dictionary

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