SCLERODERMATA
Scler`o*der"ma*ta, n. pl. Etym: [NL.] (Zoöl.)

Defn: The stony corals; the Madreporaria.

SCLERODERMIC; SCLERODERMOUS Scler`o*der"mic, Scler`o*der"mous, (Zoöl.) (a) Having the integument, or skin, hard, or covered with hard plates. (b) Of or pertaining to the Sclerodermata.

SCLERODERMITE Scler`o*der"mite, n. (Zoöl.) (a) The hard integument of Crustacea. (b) Sclerenchyma.

SCLEROGEN
Scler"o*gen ( or ), n. Etym: [Gr. sklhro`s hard + -gen.] (Bot.)

Defn: The thickening matter of woody cells; lignin.

SCLEROGENOUS
Scle*rog"e*nous, a. Etym: [Gr. sklhro`s hard + -genous.] (Anat.)

Defn: Making or secreting a hard substance; becoming hard.

SCLEROID
Scle"roid, a. Etym: [Gr. sklhro`s hard + (Bot.)

Defn: Having a hard texture, as nutshells.