meth·yl·ene 
(mĕthə-lēn′)
(mĕthə-lēn′)n.
A bivalent hydrocarbon group, CH2, a component of unsaturated hydrocarbons.
[French méthylène : Greek methu, wine; see medhu- in the Appendix of Indo-European roots + Greek hūlē, wood, substance.]
| 单词 | methylene |
| 释义 | meth·yl·ene (mĕthə-lēn′)n. A bivalent hydrocarbon group, CH2, a component of unsaturated hydrocarbons. [French méthylène : Greek methu, wine; see medhu- in the Appendix of Indo-European roots + Greek hūlē, wood, substance.] |
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