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Of or pertaining to atra bilis or black bile, a fluid formerly supposed to be produced by the kidneys.

Making thin, as fluids; diluting; rendering less dense and viscid; diluent. -- n. (Med.)

The act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases.

the head, a premonitory symptom of epilepsy or hysterics. Electric ~, a supposed electric fluid, emanating from an electrified body, and forming a mass surrounding it, called the electric atmosphere. See Atmosphere, 2.

A sac, or dependent gland, in animal bodies, containing some fluid or other substance; as, the bag of poison in the mouth of some serpents; the bag of a cow.

e such an equilibrium. -- Balance valve, a valve whose surfaces are so arranged that the fluid pressure tending to seat, and that tending to unseat the valve, are nearly in equilibrium; esp., a puppet valve which is made to operate easily by the admission of steam to both sides. See Puppet valve. -- Hydrostatic balan…

A form of acupuncture, followed by the rubbing of the part with a stimulating fluid.

Readily imbibing fluids or moisture; spongy; as, bibulous blotting paper.

A yellow, or greenish, viscid fluid, usually alkaline in reaction, secreted by the liver. It passes into the intestines, where it aids in the digestive process. Its characteristic constituents are the bile salts, and coloring matters.

A bag or sac in animals, which serves as the receptacle of some fluid; as, the urinary bladder; the gall bladder; -- applied especially to the urinary bladder, either within the animal, or when taken out and inflated with air.

A large vesicle or bulla, usually containing a serous fluid; a blister; a bubble, as in water, glass, etc. Arsenic abounds with air blebs. Kirwan.

whether occasioned by a burn or other injury, or by a vesicatory; a collection of serous fluid causing a bladderlike elevation of the cuticle. And painful blisters swelled my tender hands. Grainger.

The fluid which circulates in the principal vascular system of animals, carrying nourishment to all parts of the body, and bringing away waste products to be excreted. See under Arterial.

eething; swelling with heat, ardor, or passion. Boiling point, the temperature at which a fluid is converted into vapor, with the phenomena of ebullition. This is different for different liquids, and for the same liquid under different pressures. For water, at the level of the sea, barometer 30 in., it is 212 º Fahrenh…

An oily, colorless fluid, CBr

ent exhibited by the microscopic particles of substances when suspended in water or other fluids.

A bleb; a vesicle, or an elevation of the cuticle, containing a transparent watery fluid.

To keep from sinking in a fluid, as in water or air; to keep afloat; -- with up.

The property of floating on the surface of a liquid, or in a fluid, as in the atmosphere; specific lightness, which is inversely as the weight compared with that of an equal volume of water.

Having the quality of rising or floating in a fluid; tending to rise or float; as, iron is buoyant in mercury. "Buoyant on the flood." Pope.