Pronunciation: (vī"she-shē'ku, vī-shā'shi-ku), [key]
—n. Indian Philos.
a school of thought asserting the existence of a universe formed by a god out of atoms of earth, air, fire, and water, as well as out of space, time, ether, mind, and soul, all conceived as substances coexisting eternally with the god.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.