3. Hardness of character, manner, sensibility, etc.; obduracy;
stiffness; want of pliancy or feeling.
A certain induration of character had arisen from long habits of
business.
Coleridge.
In*du"sial (?), a. [See Indusium.] Of, pertaining to, or containing,
the petrified cases of the larvæ of certain insects.
Indusial limestone (Geol.), a fresh- water limestone, largely composed
of the agglomerated cases of caddice worms, or larvæ of caddice flies
(Phryganea). It is found in Miocene strata of Auvergne, France, and
some other localities.
{ In*du"si*ate (?), In*du"si*a`ted (?), } a. (Bot.) Furnished with an
indusium.
||In*du"si*um (?), n.; pl. Indusia (-). [L., an under garment, fr.
||induere to put on: cf. F. indusie the covering of the seed spots of
||ferns.] (Bot.) (a) A collection of hairs united so as to form a sort
||of cup, and inclosing the stigma of a flower. (b) The immediate
||covering of the fruit dots or sori in many ferns, usually a very thin
||scale attached by the middle or side to a veinlet. (c) A peculiar
||covering found in certain fungi.
||
In*dus"tri*al (?), a. [Cf. F. industriel, LL. industrialis. See
Industry.] Consisting in industry; pertaining to industry, or the arts
and products of industry; concerning those employed in labor,
especially in manual labor, and their wages, duties, and rights.
The great ideas of industrial development and economic social
amelioration.