Bible Dictionaries
Tetramethylene

Webster's Dictionary

(1):

(n.) A hypothetical hydrocarbon, C4H8, analogous to trimethylene, and regarded as the base of well-known series or derivatives.

(2):

(n.) Sometimes, an isomeric radical used to designate certain compounds which are really related to butylene.

Bibliography Information
Webster, Noah. Entry for 'Tetramethylene'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/tetramethylene.html. 1828.