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Definition of Trimethylene
1. n. A gaseous hydrocarbon, C3H6, isomeric with propylene and obtained from it indirectly. It is the base of a series of compounds analogous to the aromatic hydrocarbons.
Definition of Trimethylene
1. Noun. (organic compound) A gaseous hydrocarbon, C3H6, isomeric with propylene and obtained from it indirectly. ¹
¹ Source: wiktionary.com
Medical Definition of Trimethylene
1.