trimethylene
n. நீரகக் கரியம் அடங்கிய மயக்க மருந்துச் சரக்கு.
Tri*meth"yl*ene, n. (Chem.) Defn: 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.