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Bud :: Bud (n.) A small protuberance on certain low forms of animals and vegetables which develops into a new organism, either free or attached. See Hydra..

Slickens :: Slickens (n.) The pulverized matter from a quartz mill, or the lighter soil of hydraulic mines..

Ethylate :: Ethylate (n.) A compound derived from ethyl alcohol by the replacement of the hydroxyl hydrogen, after the manner of a hydrate; an ethyl alcoholate; as, potassium ethylate, C2H5.O.K..

Waterwork :: Waterwork (n.) An hydraulic apparatus, or a system of works or fixtures, by which a supply of water is furnished for useful or ornamental purposes, including dams, sluices, pumps, aqueducts, distributing pipes, fountains, etc.; -- used chiefly in the plural..

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

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

Polypite :: Polypite (n.) One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian..

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..

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..

Tubularia :: Tubularia (n.) A genus of hydroids having large, naked, flowerlike hydranths at the summits of long, slender, usually simple, stems. The gonophores are small, and form clusters at the bases of the outer tentacles..

Water Lime :: Water lime () Hydraulic lime.

Salt :: salt () Sulphate of magnesia having cathartic qualities; -- originally prepared by boiling down the mineral waters at Epsom, England, -- whence the name; afterwards prepared from sea water; but now from certain minerals, as from siliceous hydrate of magnesia..

Neuter :: Neuter (n.) An organism, either vegetable or animal, which at its maturity has no generative organs, or but imperfectly developed ones, as a plant without stamens or pistils, as the garden Hydrangea; esp., one of the imperfectly developed females of certain social insects, as of the ant and the common honeybee, which perform the labors of the community, and are called workers..

Terpin :: Terpin (n.) A white crystalline substance regarded as a hydrate of oil of turpentine.

Hydras :: Hydras (pl. ) of Hydr.

Saccharonic :: Saccharonic (a.) Of, pertaining to, or derived from, saccharone; specifically, designating an unstable acid which is obtained from saccharone (a) by hydration, and forms a well-known series of salts..

Hydrosalt :: Hydrosalt (n.) A hydrous salt; a salt combined with water of hydration or crystallization.

Hydrate :: Hydrate (v. t.) To form into a hydrate; to combine with 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..

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

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