Carbohydrate :: Carbohydrate (n.) One of a group of compounds including the sugars, starches, and gums, which contain six (or some multiple of six) carbon atoms, united with a variable number of hydrogen and oxygen atoms, but with the two latter always in proportion as to form water; as dextrose, C6H12O6..

Cryohydrate :: Cryohydrate (n.) A substance, as salt, ammonium chloride, etc., which crystallizes with water of crystallization only at low temperatures, or below the freezing point of water..

Dehydrate :: Dehydrate (v. t.) To deprive of water; to render free from water; as, to dehydrate alcohol..

Dehydration :: Dehydration (n.) The act or process of freeing from water; also, the condition of a body from which the water has been removed..

Hydra :: Hydra (n.) A serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one of which, when cut off, was immediately succeeded by two others, unless the wound was cauterized. It was slain by Hercules. Hence, a terrible monster..

Hydra :: Hydra (n.) Hence: A multifarious evil, or an evil having many sources; not to be overcome by a single effort..

Hydra :: Hydra (n.) Any small fresh-water hydroid of the genus Hydra, usually found attached to sticks, stones, etc., by a basal sucker..

Hydra :: Hydra (n.) A southern constellation of great length lying southerly from Cancer, Leo, and Virgo..

Hydra-tainted :: Hydra-tainted (a.) Dipped in the gall of the fabulous hydra; poisonous; deadly.

Hydrachnid :: Hydrachnid (n.) An aquatic mite of the genus Hydrachna. The hydrachnids, while young, are parasitic on fresh-water mussels..

Hydracid :: Hydracid (n.) An acid containing hydrogen; -- sometimes applied to distinguish acids like hydrochloric, hydrofluoric, and the like, which contain no oxygen, from the oxygen acids or oxacids. See Acid..

Hydracrylic :: Hydracrylic (a.) Pertaining to, or designating, an isomeric variety of lastic acid that breaks down into acrylic acid and water..

Hydractinian :: Hydractinian (n.) Any species or marine hydroids, of the genus Hydractinia and allied genera. These hydroids form, by their rootstalks, a firm, chitinous coating on shells and stones, and esp. on spiral shells occupied by hermit crabs. See Illust. of Athecata..

Hydrae :: Hydrae (pl. ) of Hydr.

Hydraemia :: Hydraemia (n.) An abnormally watery state of the blood; anaemia.

Hydragogue :: Hydragogue (a.) Causing a discharge of water; expelling serum effused into any part of the body, as in dropsy..

Hydragogue :: Hydragogue (n.) A hydragogue medicine, usually a cathartic or diuretic..

Hydramide :: Hydramide (n.) One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.

Hydramine :: Hydramine (n.) One of a series of artificial, organic bases, usually produced as thick viscous liquids by the action of ammonia on ethylene oxide. They have the properties both of alcohol and amines..

Hydrangea :: Hydrangea (n.) A genus of shrubby plants bearing opposite leaves and large heads of showy flowers, white, or of various colors. H. hortensis, the common garden species, is a native of China or Japan..

Hydrant :: Hydrant (n.) A discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks; a water plug.

Hydranth :: Hydranth (n.) One of the nutritive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea.

Hydrargochloride :: Hydrargochloride (n.) A compound of the bichloride of mercury with another chloride.

Hydrargyrate :: Hydrargyrate (a.) Of or pertaining to mercury; containing, or impregnated with, mercury..

Hydrargyrism :: Hydrargyrism (n.) A diseased condition produced by poisoning with hydrargyrum, or mercury; mercurialism..

Hydrargyrum :: Hydrargyrum (n.) Quicksilver; mercury.

Hydrarthrosis :: Hydrarthrosis (n.) An effusion of watery liquid into the cavity of a joint.

Hydras :: Hydras (pl. ) of Hydr.

Hydrastine :: Hydrastine (n.) An alkaloid, found in the rootstock of the golden seal (Hydrastis Canadensis), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge..

Hydrate :: Hydrate (n.) A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts..

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