D defs.my
Entry 1 sense Webster, 1913

Fatty

/făt'-ē/ · Fat·ty · IPA /ˈfæt.i/
01 a. Containing fat, or having the qualities of fat; greasy; gross; as, a fatty substance.
  1. 1.
    Containing fat, or having the qualities of fat; greasy; gross; as, a fatty substance.
Phrases & compounds
Fatty acid — any one of the paraffin series of monocarbonic acids, as formic acid, acetic, etc.; -- 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 — a diseased condition, in which the oil globules, naturally present in certain organs, are so multiplied as gradually to destroy and replace the efficient parts of these organs.
Fatty heart — a heart, liver, etc., which have been the subjects of fatty degeneration or infiltration.
Fatty infiltration — a condition in which there is an excessive accumulation of fat in an organ, without destruction of any essential parts of the latter.
Fatty tumor — a tumor consisting of fatty or adipose tissue; lipoma.