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is, any one of the several quantities to be added to, or taken from, its position as calculated on the hypothesis of a mean uniform motion, in order to find its true position as resulting from its actual and unequal motion. Absolute equation. See under Absolute. -- Equation box, or Equational box, a system of differen…

Capable of being erected; susceptible of being erected of dilated. Erectile tissue (Anat.), a tissue which is capable of being greatly dilated and made rigid by the distension of the numerous blood vessels which it contains.

The Vulgate rendering of the Hebrew word qipod, which in the "Authorized Version" is translated bittern, and in the Revised Version, porcupine. I will make it [Babylon] a possession for the ericius and pools of waters. Is. xiv. 23 (Douay version).

To become assimilated; to be changed into the essence. [Obs.] B. Jonson.

Any fish of the genus Etheostoma and related genera, allied to the perches; -- also called darter. The etheostomoids are small and often bright-colored fishes inhabiting the fresh waters of North America. About seventy species are known. See Darter.

Related to Euclid, or to the geometry of Euclid. Euclidian space (Geom.), the kind of space to which the axioms and definitions of Euclid, relative to straight lines and parallel lines, apply; -- called also flat space, and homaloidal space.

To exhaust or wear out. [Obs.] "Seeds . . . wearied or exantlated." Boyle.

ing excited, or roused into action; susceptible of excitement; easily stirred up, or stimulated.

To become widely opened, spread apart, dilated, distended, or enlarged; as, flowers expand in the spring; metals expand by heat; the heart expands with joy. Dryden.

To a great extent; widely; largely; as, a story is extensively circulated.

Brande & C. -- Eye animalcule (Zoöl), a flagellate infusorian belonging to Euglena and related genera; -- so called because it has a colored spot like an eye at one end. -- Eye doctor, an oculist. -- Eye of a volute (Arch.), the circle in the center of volute. -- Eye of day, Eye of the morning, Eye of heaven, the s…

hoenician, the ultimate source being probably Egyptian. Etymologically fis most closely related to p,k,v, and b; as in E. five, Gr. f, L. lupus, Gr. fox, vixen ; fragile, break ; fruit, brook, v. t.; E. bear, L. ferre. See Guide to Pronunciation, sq. root 178, 179, 188, 198, 230.

Feigned, as a story or fable; related in fable; devised; invented; not real; fictitious; as, a fabulous description; a fabulous hero. The fabulous birth of Minerva. Chesterfield.

Related to factorials.

Word or honor pledged; promise given; fidelity; as, he violated his faith. For you alone I broke me faith with injured Palamon. Dryden.

A community in which many persons unite as in one family, and are regulated by certain communistic laws and customs.

A groupe of kindred or closely related individuals; as, a family of languages; a family of States; the chlorine family.

A nonsensical exclamation attributed to giants and ogres; hence, any expression calculated to impose upon the timid and ignorant. "Impudent fee-faw-fums." J. H. Newman.

hat quality of a work of art which embodies the mental emotion of the artist, and is calculated to affect similarly the spectator. Fairholt.

A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case, baryta. They occur in crystals and crystalline masses, vitreous in luster, and breaking rather easily in two directions at right angles to each other, or nearly so. The…