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单词 fluorous
释义

fluorousadj.

Brit. /ˈflʊərəs/, /ˈflɔːrəs/, U.S. /ˈflʊrəs/, /ˈflɔrəs/
Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: fluor n.1, -ous suffix.
Etymology: < fluor n.1 + -ous suffix, after French †fluoreux (1789 in †acide fluoreux , in the passage translated in quot. 1789). Compare earlier fluoric adj.
Chemistry.
Originally: relating to or obtained from fluorspar. In later use: containing fluorine; esp. designating or involving fluorinated solvents. Cf. fluoric adj.Recorded earliest in fluorous acid n. at Compounds.
ΚΠ
1789 R. Kerr tr. A. Lavoisier Elements Chem. facing p. 185 (table) Second degree of oxygenation... Fluorous acid.
1951 Metal Progr. Oct. 76/2 Refractory metal powders can be chromized in the gaseous phase between 1920 and 2010° F. The chromizing mixture does not deteriorate during use, although a small quantity of fluorous compound must be added between operations.
1984 Jrnl. Afr. Earth Sci. 2 129 The fluorous ‘magadi’ used as an additive in food preparation is also considered to be a source of deleterious amounts of fluorides.
1994 Science 7 Oct. 55/2 Long carbon chains consisting mainly of perfluoroalkyl segments..greatly increase solubility in the fluorous phase.
2010 Jrnl. Organometallic Chem. 695 1794/1 The use of fluorous biphase systems (FBS), which exploits the temperature-dependent miscibilities of organic and fluorous solvents, has emerged as one of the most promising methods for catalyst recovery.

Compounds

fluorous acid n. [after French acide fluoreux (1789: see main etymology)] an acid containing fluorine, spec. (a) a hypothetical acid, HOFO (now chiefly historical); (b) hydrofluoric acid, HF (obsolete).
ΚΠ
1789Fluoroud acid [see main sense].
1826 W. C. Ottley Dict. Chem. & Mineral. Acid, Hydrofluoric,..formerly called Fluoric Acid, Fluorous Acid, [etc.].
1828 N. Webster Amer. Dict. Eng. Lang. s.v. (citing Lavoisier) The fluorous acid is the acid of fluor in its first degree of oxygenation.
1915 Pulp & Paper Mag. Canada 1 Apr. 198/1 Processes based upon electricity, fluorous acid, etc., have not yet found recognition in the circles of pulp makers.
2010 D. L. Reger et al. Chemistry (ed. 3) xv. 677/1 Hypofluorous acid, HOF, is known, but fluorous acid, HOFO, is not.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).
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adj.1789
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