Assertion: ethylene | /r/Synonym | olefin
Facets:
value: collectively
type: MANNER
Source sentences:
text: Because it contains a double bond, ethylene is called an unsaturated hydrocarbon or an olefin.
text: Ethylene and propylene are olefins, hydrocarbons in which there is only one carbon-carbon double bond.)
text: Ethylene, propylene, and butadiene, along with butylenes, are collectively called olefins, which belong to a class of unsaturated aliphatic hydrocarbons having the general formula CnH2n.