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of a gate, as at a railroad crossing. -- Gate valva, a stop valve for a pipe, having a sliding gate which affords a straight passageway when open. -- Gate vein (Anat.), the portal vein. -- To break gates (Eng. Univ.), to enter a college inclosure after the hour to which a student has been restricted. -- To stand i…

of rarefaction produced in the receiver of an air pump or other vacuum; a manometer. -- Sliding gauge. (Mach.) (a) A templet or pattern for gauging the commonly accepted dimensions or shape of certain parts in general use, as screws, railway-car axles, etc. (b) A gauge used only for testing other similar gauges, and p…

The process of becoming solid by cooling; a cooling and solidifying.

An amorphous, gummy carbohydrate, found in Gelidium, agar-agar, and other seaweeds.

To trace out, as a line, figure, or solid, by the motion of a point or a magnitude of inferior order.

The formation or production of any geometrical magnitude, as a line, a surface, a solid, by the motion, in accordance with a mathematical law, of a point or a magnitude; as, the generation of a line or curve by the motion of a point, of a surface by a line, a sphere by a semicircle, etc.

An apparatus in which vapor or gas is formed from a liquid or solid by means of heat or chemical process, as a steam boiler, gas retort, or vessel for generating carbonic acid gas, etc.

al magnitude, which, by its motion, generates another magnitude, as a line, surface, or solid; -- called also describent.

branch of mathematics which investigates the relations, properties, and measurement of solids, surfaces, lines, and angles; the science which treats of the properties and relations of magnitudes; the science of the relations of space.

An order of marine Annelida, in which the body is imperfectly, or not at all, annulated externally, and is mostly without setæ.

Like a ghost in appearance; deathlike; pale; pallid; dismal. Each turned his face with a ghastly pang. Coleridge. His face was so ghastly that it could scarcely be recognized. Macaulay.

Any superficial coating or appearance, as opposed to what is solid and genuine. Gilding metal, a tough kind of sheet brass from which cartridge shells are made.

Gill clefts. (Anat.) Same as Branchial clefts. See under Branchial. -- Gill cover, Gill lid. See Operculum. -- Gill frame, or Gill head (Flax Manuf.), a spreader; a machine for subjecting flax to the action of gills. Knight. -- Gill net, a flat net so suspended in the water that its meshes allow the heads of fish t…

Resembling ice; having the appearance and consistency of ice; - - said of certain solid compounds; as, glacial phosphoric or acetic acids. Glacial acid (Chem.), an acid of such strength or purity as to crystallize at an ordinary temperature, in an icelike form; as acetic or carbolic acid. -- Glacial drift (Geol.), ear…

A copious gummy secretion of the humor of the eyelids, in consequence of some disorder; blearedness; lippitude.

e is also sometimes applied to the buzzard. [Written also glead, gled, gleed, glade, and glide.]

A sliding, as down a snow slope in the Alps. Tyndall.

A gliding effect; gliding.

A round or spherical body, solid or hollow; a body whose surface is in every part equidistant from the center; a ball; a sphere.

imp. of Glide. Chaucer.