INTERMITTENT a. 2 definitions
which receives, or produces, intermittent motion. -- Intermittent springs, springs which flow at intervals, not apparently dependent upon rain or drought. They probably owe their intermittent action to their being connected with natural reservoirs in hills or mountains by passages having the form of a siphon, the wate…
IRRIGATE v. 2 definitions
To water, as land, by causing a stream to flow upon, over, or through it, as in artificial channels.
ISOSTASY n. 2 definitions
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 be…
IVY n.
in Europe. Its leaves are evergreen, dark, smooth, shining, and mostly five-pointed; the flowers yellowish and small; the berries black or yellow. The stem clings to walls and trees by rootlike fibers. Direct The clasping ivy where to climb. Milton. Ye myrtles brown, with ivy never sere. Milton. American ivy. (Bot.) S…
JACOB n.
Bot.) A perennial herb of the genus Polemonium (P. coeruleum), having corymbs of drooping flowers, usually blue. Gray. (b) (Naut.) A rope ladder, with wooden steps, for going aloft. R. H. Dana, Jr. (c) (Naut.) A succession of short cracks in a defective spar. -- Jacob's membrane. See Retina. -- Jacob's staff. (a) A n…