FAT n.
the paraffine hydrocarbons and their derivatives; the marsh gas or methane series. -- Natural fats (Chem.), the group of oily substances of natural occurrence, as butter, lard, tallow, etc., as distinguished from certain fatlike substance of artificial production, as paraffin. Most natural fats are essentially mixture…
FATTY a.
; -- so called because the higher members, as stearic and palmitic acids, occur in the natural fats, and are themselves fatlike substances. -- Fatty clays. See under Clay. -- Fatty degeneration (Med.), a diseased condition, in which the oil globules, naturally present in certain organs, are so multiplied as gradually…