aliphatic
a. (வேதி.) கொழுப்பார்ந்த, மண்டலிக்காத, திறந்த தொடரினம் சார்ந்த, உயிர்ச்சேர்மான வகைக்குரிய.
Al`i*phat"ic, a. [Gr. , , oil, fat.] (Org. Chem.) Defn: Of, pertaining to, or derived from, fat; fatty; -- applied to compounds having an openc-hain structure. The aliphatic compounds thus include not only the fatty acids and other derivatives of the paraffin hydrocarbons, but also unsaturated compounds, as the ethylene and acetylene series.