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l be sometimes so eager, as artists call it, that it will as little endure the hammer as glass itself. Locke.

The class Echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See Spatangoid, Clypeastroid. [Written also Echinidea, and Echinoida.]

A division of Annelida which includes the genus Echiurus and allies. They are often classed among the Gephyrea, and called the armed Gephyreans.

or selected; as, an eclectic method; an eclectic magazine. Eclectic physician, one of a class of practitioners of medicine, who select their modes of practice and medicines from all schools; formerly, sometimes the same as botanic physician. [U.S.] -- Eclectic school. (Paint.) See Bolognese school, under Bolognese.…

g) A plane for edging soles. -- Edge play, a kind of swordplay in which backswords or cutlasses are used, and the edge, rather than the point, is employed. -- Edge rail. (Railroad) (a) A rail set on edge; -- applied to a rail of more depth than width. (b) A guard rail by the side of the main rail at a switch. Knight.…

A subclass of fishes, comprising the sharks, the rays, and the Chimæra. The skeleton is mainly cartilaginous.

of persons in a nation or state who are entitled to vote in an election, or any distinct class or division of them. The middle-class electorate of Great Britain. M. Arnold.

A nonconductor of electricity, as amber, glass, resin, etc., employed to excite or accumulate electricity.

t appears at the positive pole or anode of a battery, or that is produced by friction of glass; -- called also vitreous electricity.

Applied to books or editions (esp. of the Greek New Testament and the classics) printed and published by the Elzevir family at Amsterdam, Leyden, etc., from about 1592 to 1680; also, applied to a round open type introduced by them. The Elzevir editions are valued for their neatness, and the elegant small types used. Br…

ging from the deep." Dryden. Those who have emerged from very low, some from the lowest, classes of society. Burke.

A variety of glass, used in ornament, to cover a surface, as of metal or pottery, and admitting of after decoration in color, or used itself for inlaying or application in varied colors.

Peculiar to a district or particular locality, or class of persons; as, an endemic disease.

ledon, with the first leaves alternate. The endogens constitute one of the great primary classes of plants, and included all palms, true lilies, grasses, rushes, orchids, the banana, pineapple, etc. See Exogen.

A Linnæan class of plants having nine stamens.

An estate in fee entailed, or limited in descent to a particular class of issue.

One of the subclasses of Crustacea, including a large number of species, many of them minute. The group embraces several orders; as the Phyllopoda, Ostracoda, Copepoda, and Pectostraca. See Copepoda, Phyllopoda, and Cladocera.

performance available at the current state of the technology, and therefore refers to a class of machines in general, not a specific machine. push the envelope Increase the capability of some type of machine or system; -- usu. by technological development.

. Opposed to exoteric. Enough if every age produce two or three critics of this esoteric class, with here and there a reader to understand them. De Quincey.

Distinguished among others of the same class or kind; special; concerning a species or a single object; principal; particular; as, in an especial manner or degree.