unsaturated hydrocarbon


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unsaturated hydrocarbon

[¦ən′sach·ə‚rād·əd ¦hī·drə′kär·bən]
(organic chemistry)
One of a class of hydrocarbons that have at least one double or triple carbon-to-carbon bond that is not in an aromatic ring; examples are ethylene, propadiene, and acetylene.
References in periodicals archive ?
The unsaturated hydrocarbon is mainly activated by the low energy electrons to deposit the plasma-polymerized SiOCH film with the hexagonal molecular pores of 0.
Trace amounts of highly unsaturated hydrocarbon oils, found absorbed on the surface of thermal blacks, are usually a dark color in nature.
It consists of six chapters covering heavy analogs of: carbenium, free radicals, carboanions, carbenes, unsaturated hydrocarbons, and aromatic compounds.
The tar balls contain the non-volatile, benzene-like, heavily unsaturated hydrocarbons with high boiling points," Cho said.