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| pertaining to compounds that are not hydrocarbons or their derivatives |
| a colorless, flammable gas, C4H10, a saturated aliphatic existing in two isometric forms: used chiefly in the manufacture of rubber and as fuel |
alkene al·kene (āl'kēn')
n.
Any of a series of unsaturated, open chain hydrocarbons with one or more carbon-carbon double bonds, having the general formula CnH2n.
| alkene (āl'kēn') Pronunciation Key
Any of a group of unsaturated hydrocarbons that have carbon atoms in chains linked by one or more double bonds and that have the general formula CnH2n. Lighter alkenes, such as ethylene, are derived from petroleum by cracking. Also called olefin. ◇ The group of alkenes as a whole is called the alkene series or the ethylene series. Its first five members are ethylene (or ethene), propylene (or propene), butylene (or butene), pentene, and hexene. |