Category:Tetramethylene

Tet`ra*meth"yl*ene, n. Etym: [tetra- + methylene.] (chem.) (a) a hypothetical hydrocarbon, c4h8, analogous to trimethylene, and Regarded as the base of well-known series or derivatives. (b) sometimes, an isomeric radical used to designate certain Compounds which are really related to butylene.