PUMICATE
Pu"mi*cate, v. t. [imp. & p. p. Pumicated; p. pr. & vb. n.
Pumicating.] Etym: [L. pumicatus, p. p. of pumicare to pumicate, fr.
pumex. See Pumice.]
Defn: To make smooth with pumice. [R.]
PUMICE
Pum"ice, n. Etym: [L. pumex, pumicis, prob. akin to spuma foam: cf.
AS. pumic-stan. Cf. Pounce a powder, Spume.] (Min.)
Defn: A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone.
PUMICED
Pum"iced, a. (Far.)
Defn: Affected with a kind of chronic laminitis in which there is a growth of soft spongy horn between the coffin bone and the hoof wall. The disease is called pumiced foot, or pumice foot.
PUMICEOUS
Pu*mi`ceous, a. Etym: [L. pumiceus.]
Defn: Of or pertaining to pumice; resembling pumice.
PUMICE STONE
Pum"ice stone`.
Defn: Same as Pumice.