| 单词 | trifluoromethane |
| 释义 | > as lemmastrifluoromethane A formative analogous to trichloro- comb. form, expressing the substitution of 3 atoms of fluorine for hydrogen, as in trifluoromethane or fluoroform, CHF3, from methane, CH4; so trifluorethylene, CF2:CHF, from ethylene, CH2:CH2. ΚΠ 1899 Jrnl. Chem. Soc. 76 i. 197 Trifluorotoluene (C6H5.CF3) is not decomposed at high temperatures, and not attacked by water, alkalis. < as lemmas |
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