Isiac, ī-si-ak. See Isis.
Isidium, ī-sid′i-um, n. (bot.) a wart-like excrescence on the thalli of some lichens:—pl. Isid′ia.
Isidorian, is-i-dō′ri-an, adj. of or pertaining to St Isidore of Seville (c. 560-636), or the collection of canons and decretals adopted by him; but esp. applying to the interpolated collection, now called the Pseudo-Isidorian or False Decretals, possibly fabricated in Western Gaul, but published in Spain about 845 by Isidore Mercator, and naturally fathered upon the great Isidore of Seville.
Isinglass, ī′zing-glas, n. a glutinous substance, chiefly prepared from the air-bladders of the sturgeon. [A corr. of Dut. huizenblas—huizen, a kind of sturgeon, blas, a bladder; Ger. hausenblase.]
Isis, ī′sis, n. an Egyptian goddess, wife and sister of Osiris.—adj. I′siac.
Islam, iz′lam, Islamism, iz′lam-izm, n. the proper name of the Mohammedan religion: the whole Mohammedan world.—adjs. Islam′ic, Islamit′ic.—n. Is′lamite.—v.t. Islamīze′, to conform to Mohammedanism. [Ar. islām—salama, to submit to God.]
Island, ī′land, n. the smaller masses of land surrounded with water: a large floating mass.—v.t. to cause to appear like an island: to dot as with islands.—n. Islander (ī′land-ėr), an inhabitant of an island. [M. E. iland—A.S. ígland—íg, an island, and land, land; Dut. and Ger. eiland, Ice. eyland, Sw. and Dan. öland. A.S. íg is from a root which appears in Angles-ea, Aldern-ey, &c., A.S. eá, L. aqua, water, so that it originally means water-land. The s in island is due to a confusion with isle, from L. insula.]
Isle, īl, n. an island.—ns. Isles′man, an islander, esp. an inhabitant of the Hebrides; Islet (ī′let), a little isle. [M. E. ile, yle—O. Fr. isle (Fr. île)—L. insula, considered to be so called because lying in salo, in the main sea, L. salum being akin to Gr. salos, the main sea.]
Ism, izm, n. any distinctive doctrine, theory, or practice—usually in disparagement.—adjs. Ismat′ic, -al, addicted to isms or faddish theories.—n. Ismat′icalness. [From the suffix -ism.]
Ismailian, is-mā-il′i-an, n. one of a sect of Shiite Mohammedans, who claim that Ismail (c. 770) was the seventh and last of the Imâms.—n. Is′mailism.—adj. Ismailit′ic.