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gases, as coal, blast-furnace, or producer gas; (2) engines using the vapor of a volatile fluid, as the typical gasoline (petrol) engine;

exhibiting, on a diagram of energy, the law of variation of the pressure and density of a fluid, the one during the lowering, and the other during the raising, of its temperature, when the quantity of heat given out by the fluid during any given stage of the one process is equal to the quantity received during the corr…

m, the Phytephas macroarpa, often as large as a hen's egg. When young the seed contains a fluid, which gradually hardness into a whitish, close- grained, albuminous substance, resembling the finest ivory in texture and color, whence it is called vegetable ivory. It is wrought into various articles, as buttons, chessmen…

trifugal pump. -- Jet pump, a device in which a small jet of steam, air, water, or other fluid, in rapid motion, lifts or otherwise moves, by its impulse, a larger quantity of the fluid with which it mingles.

The characteristic fluid of any vegetable or animal substance; the sap or part which can be expressed from fruit, etc.; the fluid part which separates from meat in cooking. An animal whose juices are unsound. Arbuthnot. The juice of July flowers. B. Jonson. The juice of Egypt's grape. Shak. Letters which Edward Digby w…

Pertaining to, or resembling, milk; milky; as, the lacteal fluid.

Producing milk or a milklike juice or fluid, as the milkweed. See Latex.

lactic acid; lactic fermentation, etc. Lactic acid (Physiol. Chem.), a sirupy, colorless fluid, soluble in water, with an intensely sour taste and strong acid reaction. There are at least three isomeric modifications all having the formula C3H6O3. Sarcolactic or paralactic acid occurs chiefly in dead muscle tissue, wh…

Bearing or containing milk or a milky fluid; as, the lactiferous vessels, cells, or tissue of various vascular plants.

ues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.

the tentacles of jellyfishes, hydroids, and Actiniæ. Each of these cells is filled with, fluid, and contains a long, slender, often barbed, hollow thread coiled up within it. When the cell contracts the thread is quickly ejected, being at the same time turned inside out. The thread is able to penetrate the flesh of va…

he lower line. -- Boyle's law (Physics), an expression of the fact, that when an elastic fluid is subjected to compression, and kept at a constant temperature, the product of the pressure and volume is a constant quantity, i. e., the volume is inversely proportioned to the pressure; -- known also as Mariotte's law, an…

A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape; as, a leak in a roof; a leak in a boat; a leak in a gas pipe. "One leak will sink a ship." Bunyan.

Permitting water or other fluid to leak in or out; as, a leaky roof or cask.

Tenacity; viscidity; viscidity, as of fluids.

; a condition conformable to natural law or which will secure a level surface; as, moving fluids seek a level. When merit shall find its level. F. W. Robertson.

form of gravity. Sir. W. Raleigh. This bubble by reason of its comparative levity to the fluidity that incloses it, would ascend to the top. Bentley.

Flowing freely like water; fluid; not solid. Yes, though he go upon the plane and liquid water which will receive no step. Tyndale.

Specifically, alcoholic or spirituous fluid, either distilled or fermented, as brandy, wine, whisky, beer, etc.

The solid earth as distinguished from its fluid envelopes, the hydrosphere and atmosphere.