单词 | halocarbon |
释义 | > as lemmasˈhalocarbon ˈhalocarbon n. Brit. /ˈhalə(ʊ)ˌkɑːb(ə)n/ , /ˌhalə(ʊ)ˈkɑːb(ə)n/ , U.S. /ˈhæləˌkɑrbən/ , /ˈhæloʊˌkɑrbən/ , /ˌhæləˈkɑrbən/ , /ˌhæloʊˈkɑrbən/ any compound in which the hydrogen of a hydrocarbon is replaced by halogens (wholly or in part).ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > halogenated hydrocarbons halocarbon1953 1953 F. J. Honn in R. E. Kirk & D. F. Othmer Encycl. Chem. Technol. XI. 691 The oils are also available..under the name Halocarbon. 1958 W. A. Pennington in Clark & Hawley Encycl. Chem. Suppl. 148/1 Strictly speaking, the term halocarbon applies to compounds containing only halogen and carbon atoms. 1986 Age (Melbourne) 6 Sept. 1/8 Dr Forgan said the Cape Grim station had monitored marked increases in the incidence of halocarbons and carbon dioxide levels over the past few years. 1991 R. S. K. Barnes & K. H. Mann Fund. Aquatic Ecol. (ed. 2) vi. 112/2 Other synthetic halocarbons show similar properties.., including carbon tetrachloride, methyl chloroform and various exotic solvents. < as lemmas |
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