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A group of ganoid fishes, including the living genera Ceratodus and Lepidosiren, which present the closest approximation to the Amphibia. The air bladder acts as a lung, and the nostrils open inside the mouth. See Ceratodus, and Illustration in Appendix.

A genus of nudibranch mollusks having clusters of branchial papillæ along the back. See Ceratobranchia. [Written also Æolis.]

Pertaining to the segment between the ceratobranchial and pharyngobranchial in a branchial arch. -- n.

A segment next above the ceratohyal in the hyoidean arch.

Pertaining to the Muse Erato who presided over amatory poetry. Stormonth.

Tending to cause ulcers; exulceratory. Holland.

One who has begotten a child, whether son or daughter; a generator; a male parent. A wise son maketh a glad father. Prov. x. 1.

by figures or letters, called the denominator, written below a line, over which is the numerator, indicating the number of these parts included in the fraction; as -- Complex fraction, a fraction having a fraction or mixed number in the numerator or denominator, or in both. Davies & Peck. -- Compound fraction, a fract…

One who, or that which, cools or freezes, as a refrigerator, or the tub and can used in the process of freezing ice cream.

. Frit brick, a lump of calcined glass materials, brought to a pasty condition in a reverberatory furnace, preliminary to the perfect vitrification in the melting pot.

One who begets; a generator; an originator. Sheldon.

water, an instrument, or part of a machine, or for directing the hand or eye, as of an operator; as:

An order of sponges, having simple siliceous spicules and keratose fibers; -- called also Keratosilicoidea.

common chub. See Illust. of Chub. -- Horned frog (Zoöl.), a very large Brazilian frog (Ceratophrys cornuta), having a pair of triangular horns arising from the eyelids. -- Horned grebe (Zoöl.), a species of grebe (Colymbus auritus), of Arctic Europe and America, having two dense tufts of feathers on the head. -- Ho…

An aquatic plant (Ceratophyllum), with finely divided leaves.

Pertaining to the segment between the basibranchial and the ceratobranchial in a branchial arch. -- n.

hest, a box for holding ice; a box in which things are kept cool by means of ice; a refrigerator. -- Ice brook, a brook or stream as cold as ice. [Poetic] Shak. -- Ice cream Etym: [for iced cream], cream, milk, or custard, sweetened, flavored, and frozen. -- Ice field, an extensive sheet of ice. -- Ice float, Ice f…

exalts; to communicate inspiration to; as, to inspire a child with sentiments of virtue. Erato, thy poet's mind inspire, And fill his soul with thy celestial fire. Dryden.

ore, as in the Catalan forge or bloomery, or by purifying (puddling) cast iron in a reverberatory furnace or refinery. It is tough, malleable, and ductile. When formed into bars, it is called bar iron.

, at the place where a wire enters a building, for preventing injury by lightning to an operator or instrument. It consists of a short circuit to the ground interrupted by a thin nonconductor over which lightning jumps. Called also lightning discharger. -- Lightning bug (Zoöl.), a luminous beetle. See Firefly. -- Lig…