3. (Typog.)

Defn: Work. containing much blank, or its equivalent, and, therefore, profitable to the compositor. Fat acid. (Chem.) See Sebacic acid, under Sebacic. — Fat series, Fatty series (Chem.), the series of 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 mixtures of triglycerides of fatty acids.

FAT Fat, v. t. [imp. & p. p. Fatted; p. pr. & vb. n. atting.] Etym: [OE. fatten, AS. f. See Fat, a., and cf. Fatten.]

Defn: To make fat; to fatten; to make plump and fleshy with abundant food; as, to fat fowls or sheep. We fat all creatures else to fat us. Shak.

FAT
Fat, v. i.

Defn: To grow fat, plump, and fleshy.
An old ox fats as well, and is as good, as a young one. Mortimer.

FATAL
Fa"tal, a. Etym: [L. fatalis, fr. fatum: cf. F. fatal. See Fate.]

1. Proceeding from, or appointed by, fate or destiny; necessary;
inevitable. [R.]
These thing are fatal and necessary. Tillotson.
It was fatal to the king to fight for his money. Bacon.

2. Foreboding death or great disaster. [R.] That fatal screech owl to our house That nothing sung but death to us and ours. Shak.

3. Causing death or destruction; deadly; mortal; destructive; calamitous; as, a fatal wound; a fatal disease; a fatal day; a fatal error.