a. [ L. crassus thick, fat, gross, prob. orig., closely woven. See Grease animal fat, and cf. Crate, Hurdle. ] Gross; thick; dense; coarse; not elaborated or refined. “Crass and fumid exhalations.” Sir. T. Browne. “Crass ignorance” Cudworth. [ 1913 Webster ]

{ ‖ } n. [ L. crassamentum, fr. crassare to make thick. See Crass, a. ] A semisolid mass or clot, especially that formed in coagulation of the blood. [ 1913 Webster ]

n. See Crassament. [ 1913 Webster ]

n. [ L. crassitudo. ] Grossness; coarseness; thickness; density. Bacon. [ 1913 Webster ]

n. Grossness. [ Obs. ] Glanvill. [ 1913 Webster ]

v. t. [ imp. & p. p. Incrassated p. pr. & vb. n. Incrassating. ] [ L. incrassatus, p. p. of incrassare; pref. in- in + crassus thick. ] To make thick or thicker; to thicken; especially, in pharmacy, to thicken (a liquid) by the mixture of another substance, or by evaporating the thinner parts. [ 1913 Webster ]

Acids dissolve or attenuate; alkalies precipitate or incrassate. Sir I. Newton. [ 1913 Webster ]

Liquors which time hath incrassated into jellies. Sir T. Browne. [ 1913 Webster ]

v. i. To become thick or thicker.

{ } a. [ L. incrassatus, p. p. ] [ 1913 Webster ]

1. Made thick or thicker; thickened; inspissated. [ 1913 Webster ]

2. (Bot.) Thickened; becoming thicker. Martyn. [ 1913 Webster ]

3. (Zool.) Swelled out on some particular part, as the antennæ of certain insects. [ 1913 Webster ]

n. [ Cf. F. incrassation. ] [ 1913 Webster ]

1. The act or process of thickening or making thick; the process of becoming thick or thicker. [ 1913 Webster ]

2. The state of being incrassated or made thick; inspissation. Sir T. Browne. [ 1913 Webster ]

a. Having the quality of thickening; tending to thicken. Harvey. [ 1913 Webster ]

n. A substance which has the power to thicken; formerly, a medicine supposed to thicken the humors. Harvey. [ 1913 Webster ]