I"so*morph (?), n. (Biol.) An animal, plant, or group having superficial similarity to another, although phylogenetically different.
I`so*mor"phic (?), a. (Biol.) Alike in form; exhibiting isomorphism.
I"so*spore (?), n. (Biol.) (a) One of the spores produced by an isosporous organism. (b) A zygospore.
I*sos"po*rous (?), a. [Iso- + Gr. &?; fruit.] (Biol.) Producing but one kind of spore, as the ferns.
I*sos"ta*sy (?), n. [See Iso-; Stasis.] The state or quality of being isostatic. Specif. (Geol.), general equilibrium in the earth's crust, supposed to be maintained by the yielding or flow of rock material beneath the surface under gravitative stress. By the theory of isostasy each unit column of the earth, from surface to center, has approximately the same weight, and the continents stand higher than the ocean beds chiefly because the material of the crust has there less density.
I`so*stat"ic (?), a. [Iso- + static.] (Physics & Geol.) Subjected to equal pressure from every side; being in hydrostatic equilibrium, as a body submerged in a liquid at rest; pertaining to, or characterized by, isostasy.
I. W. W. (Abbrev.) Industrial Workers of the World (the name of two American labor organizations, one of which advocates syndicalism).
{ Ix"tle Ix"til} (?), n. The fine, soft fiber of the bromeliaceous plant Bromelia sylvestris.