any member of the .
Also called olefine, olefin. any unsaturated aliphatic hydrocarbon with the general formula CnH2n
Also called olefine. (as modifier): alkene series
alkene al·kene (āl’kēn’)
Any of a series of unsaturated, open chain hydrocarbons with one or more carbon-carbon double bonds, having the general formula CnH2n.
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.
- Alkene series
the homologous series of unsaturated, aliphatic hydrocarbons containing one double bond and having the general formula C n H 2n , as ethylene, H 2 C=CH 2 .
a Mediterranean liqueur made from brandy flavored with nutmeg, cinnamon, cloves, and other spices, and colored red with kermes or cochineal. Historical Examples This is the original formula for the alkermes de Santa Maria Novella, which is much valued. Cooley’s Practical Receipts, Volume II Arnold Cooley They enter into alkermes, a sort of liquor served […]
(def 1). Historical Examples “Alkestis” failed “to get the prize” when its author was competing with Sophocles. A Handbook to the Works of Browning (6th ed.) Mrs. Sutherland Orr It is so that the man speaks to and of the woman, in Balaustion’s and Browning’s Alkestis. Browning’s Heroines Ethel Colburn Mayne His allegiance to this […]
alkied adjective Drunk