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单词 fluorination
释义

fluorinationn.

Brit. /ˌflʊərᵻˈneɪʃn/, /ˌflɔːrᵻˈneɪʃn/, U.S. /ˌflʊrəˈneɪʃ(ə)n/, /ˌflɔrəˈneɪʃ(ə)n/
Origin: Formed within English, by derivation. Etymons: fluorine n., -ation suffix.
Etymology: < fluorine n. + -ation suffix. In sense 1 after German Fluorierung (1891 (in E. Lassar-Cohn Arbeitsmethoden für organisch-chemische Laboratorien 144, the source reviewed in quot. 1902) or earlier). Compare earlier fluorinated adj. and later fluorinate v.
1. Chemistry. The action or process of fluorinating a molecule, compound, etc. Cf. fluorinate v. 1.
ΘΚΠ
the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > halogen processes > fluorination
fluorination1902
1902 Pharmaceut. Rev. 20 279 The following processes are taken up: Acylation, benzenylation etc.; alkali fusions; bromination; chlorination; iodination; fluorination: the exchangeability of the halogens, etc.
1946 Nature 9 Nov. 673/1 Disproportionation occurs during the fluorination (whence the possibility of preparing (C2H5O)2SiF2 from (C2H5O)3SiCl).
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) VI. 328/1 Fluorination reactions occur with enormous vigor.
2001 R. A. Sheldon & H. van Bekkum Fine Chemicals through Heterogeneous Catalysis iv. 134 Fluorination can be performed with molecular fluorine (F2), HF, fluoroxy compounds, XeF2, perchloryl fluoride..and metallic fluorides.
2. = fluoridation n. 2a.
ΘΚΠ
the world > health and disease > healing > medicines or physic > impregnation of substances with medicaments > [noun] > with specific substance
fluoridization1939
fluorination1941
fluoridation1949
1941 Jrnl. Amer. Dental Assoc. 28 147/2 What a mistake it would be to advocate..the fluorination of water supplies on the present evidence that fluorine apparently inhibits the formation of dental cavities!
1950 Lancet 9 Dec. 779/2 Dr. A. P. Black..suggested that fluorination of drinking-water was ‘the biggest step in public health in the last hundred years’.
1973 R. T. Spencer Patient Care Endocrine Probl. ii. 10 Iodization of salt, like fluorination of water, is often attacked by those concerned about artificial additives in food or water.
2001 J. Sabaté in J. Sabaté & R. Ratzin-Turner Vegetarian Nutrition 23 Whether concerning a vaccination program, the fluorination of water, or a lifestyle the principle should be the same.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).
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n.1902
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