octamethylcyclotetrasiloxanen.

Brit.

/ˌɒktəmɛθʌɪlˌsʌɪkləʊtɛtrasɪˈlɒkseɪn/, U.S.

/ˈˌɑktəˌmɛθ(ə)lˌsaɪkloʊtəˌtræzəˈlɑkˌseɪn/; see also methyl n.

Origin: Formed within English, by compounding. Etymons: octa- comb. form, methyl n., cyclo- comb. form, tetra- comb. form, siloxane n.

Etymology: < octa- comb. form + methyl n. + cyclo- comb. form + tetra- comb. form + siloxane n.

Chemistry.

A colourless oily liquid compound with a cyclic tetrameric structure, [(CH₃)₂SiO]₄, that is an intermediate in the manufacture of many silicones.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic compounds > [noun] > other organic compounds

xanthide1823

idrialin1838

barégin1863

violantin1866

biguanide1881

turmerol1890

tetrazole1892

oxazolone1899

indanthrene1901

silicone1906

platinum blue1908

hydroxycitronellal1929

haloform1931

octamethylcyclotetrasiloxane1946

organo-siloxane1946

chlorofluorocarbon1947

permethrin1975

CFC1976

1946 M. J. Hunter et al. in Jrnl. Amer. Chem. Soc. 68 361/1 When a few drops of concentrated sulfuric acid are added to a quantity, say 10 c.c., of octamethyl~cyclotetrasiloxane.., there is no marked change in appearance or temperature.

1970 Encycl. Polymer Sci. & Technol. XII. 503 Almost all strong inorganic alkalis and most quaternary ammonium hydroxides and phosphonium hydroxides will polymerize octamethylcyclotetrasiloxane to a high-molecular-weight polymer.

1995 Environmental Toxicol. & Chem. 14 1639 The toxicity of octamethylcyclotetrasiloxane..to representative freshwater and marine fish and invertebrates was investigated.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	octamethylcyclotetrasiloxane
释义	octamethylcyclotetrasiloxanen. Brit. /ˌɒktəmɛθʌɪlˌsʌɪkləʊtɛtrasɪˈlɒkseɪn/, U.S. /ˈˌɑktəˌmɛθ(ə)lˌsaɪkloʊtəˌtræzəˈlɑkˌseɪn/; see also methyl n. Origin: Formed within English, by compounding. Etymons: octa- comb. form, methyl n., cyclo- comb. form, tetra- comb. form, siloxane n. Etymology: < octa- comb. form + methyl n. + cyclo- comb. form + tetra- comb. form + siloxane n. Chemistry. A colourless oily liquid compound with a cyclic tetrameric structure, [(CH₃)₂SiO]₄, that is an intermediate in the manufacture of many silicones. ΘΚΠ the world > matter > chemistry > organic chemistry > organic compounds > [noun] > other organic compounds xanthide1823 idrialin1838 barégin1863 violantin1866 biguanide1881 turmerol1890 tetrazole1892 oxazolone1899 indanthrene1901 silicone1906 platinum blue1908 hydroxycitronellal1929 haloform1931 octamethylcyclotetrasiloxane1946 organo-siloxane1946 chlorofluorocarbon1947 permethrin1975 CFC1976 1946 M. J. Hunter et al. in Jrnl. Amer. Chem. Soc. 68 361/1 When a few drops of concentrated sulfuric acid are added to a quantity, say 10 c.c., of octamethyl~cyclotetrasiloxane.., there is no marked change in appearance or temperature. 1970 Encycl. Polymer Sci. & Technol. XII. 503 Almost all strong inorganic alkalis and most quaternary ammonium hydroxides and phosphonium hydroxides will polymerize octamethylcyclotetrasiloxane to a high-molecular-weight polymer. 1995 Environmental Toxicol. & Chem. 14 1639 The toxicity of octamethylcyclotetrasiloxane..to representative freshwater and marine fish and invertebrates was investigated. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.1946
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