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An apparatus for measuring the amount of hemoglobin in a fluid, by comparing it with a solution of known strength and of normal color.

One who hatches, or that which hatches; a hatching apparatus; an incubator.

Apparatus above ground at the mouth of a mine or deep well.

nd of matter, but a peculiar motion of the ultimate particles of matter. Heat engine, any apparatus by which a heated substance, as a heated fluid, is made to perform work by giving motion to mechanism, as a hot-air engine, or a steam engine. -- Heat producers. (Physiol.) See under Food. -- Heat rays, a term formerly…

An apparatus for separating the threads of warps into sets, as they are wound upon the reel from the bobbins, in a warping machine.

An apparatus for telegraphing by means of the sun's rays. See Heliotrope, 3.

The apparatus by which a ship is steered, comprising rudder, tiller, wheel, etc.; -- commonly used of the tiller or wheel alone.

An order of fishes having an incomplete or reduced branchial apparatus. It includes the sticklebacks, the flutemouths, and Fistularia.

That by which anything is hoisted; the apparatus for lifting goods.

d by a mechanical contrivance; -- called also dumping scow. Bell and hopper (Metal.), the apparatus at the top of a blast furnace, through which the charge is introduced, while the gases are retained. -- Hopper boy, a rake in a mill, moving in a circle to spread meal for drying, and to draw it over an opening in the f…

Anything bulky or unwieldly. Shak. Shear hulk, an old ship fitted with an apparatus to fix or take out the masts of a ship. -- The hulks, old or dismasted ships, formerly used as prisons. [Eng.] Dickens.

means of a battery in which water or steam is used. Hydro-electric machine (Physics), an apparatus invented by Sir William Armstrong of England for generating electricity by the escape of high-pressure steam from a series of jets connected with a strong boiler, in which the steam is produced.

An apparatus for drying anything, as yarn, cloth, sugar, etc., by centrifugal force; a centrifugal.

Pertaining to, or depending upon, both liquid and gaseous substances; as, hydropneumatic apparatus for collecting gases over water or other liquids.

A contrivance or apparatus to prevent the explosion of steam boilers.

g their specific gravities. -- Hydrostatic bed, a water bed. -- Hydrostatic bellows, an apparatus consisting of a water-tight bellowslike case with a long, upright tube, into which water may be poured to illustrate the hydrostatic paradox. -- Hydrostatic paradox, the proposition in hydrostatics that any quantity of…

A condenser or reflector of light in optical apparatus; also, an illuminant.

place or tenure; fixed; as, an immovable estate. See Immovable, n. Blackstone. Immovable apparatus (Med.), an appliance, like the plaster of paris bandage, which keeps fractured parts firmly in place. -- Immovable feasts (Eccl.), feasts which occur on a certain day of the year and do not depend on the date of Easter;…

of food, either from partial or complete starvation, or from a disorder of the digestive apparatus, producing the same result. Feeble from inanition, inert from weariness. Landor. Repletion and inanition may both do harm in two contrary extremes. Burton.

An apparatus to determine the inclination of the earth's magnetic force to the plane of the horizon; -- called also inclination compass, and dip circle.