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Of, or like, an echinite.

A fossil echinoid.

A variety of amphibole. See Amphibole.

A grayish white zeolitic mineral, in tetragonal crystals. It is a hydrous silicate of alumina and baryta.

The rock of an elvan vein, or the elvan vein itself; an elvan course.

Relating to encrinites; containing encrinites, as certain kinds of limestone.

A fossil crinoid, esp. one belonging to, or resembling, the genus Encrinus. Sometimes used in a general sense for any crinoid.

Pertaining to encrinites; encrinal.

The part of each apodeme derived from the intersternal membrane in Crustacea and insects.

A hydrous arseniate of copper, of an emerald-green color; -- so called from Erin, or Ireland, where it occurs.

A rare mineral, containing chiefly niobium, titanium, thorium, and cerium. It was so called by Berzelius on account of the inability of chemical science, at the time of its discovery, to separate some of its constituents.

Cinnamon stone, a variety of garnet. See Garnet.

Infinite duration, without beginning in the past or end in the future; also, duration without end in the future; endless time. The high and lofty One, that inhabiteth eternity. Is. lvii. 15.

The division of Aves which includes all the typical birds, or all living birds except the penguins and birds of ostrichlike form.

A brownish black mineral with a metallic luster, found in Norway. It contains niobium, titanium, yttrium, and uranium, with some other metals.

Eternity. [Obs.]

To make empty; to render of no effect; to humble. [Obs.] Bp. Pearson.

n. [L. exinanitio.] An emptying; an enfeebling; exhaustion; humiliation. [Obs.] Fastings to the exinanition of spirits. Jer. Taylor.

Privation or destitution of blood; -- opposed to plethora. Dunglison.

A hydration of iolite.