trimethylene Meaning, Definition & Usage
Tri*meth"yl*ene noun
Definitions
(Chem.) A gaseous hydrocarbon, <-- usu. called cyclopropane, because the three carbons form a ring: CH2 / \ H2C---CH2 -->C3H6 , isomeric with propylene and obtained from it indirectly. It is the base of a series of compounds analogous to the aromatic hydrocarbons.