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

Levulosan :: Levulosan (n.) An unfermentable carbohydrate obtained by gently heating levulose.

Dashpot :: Dashpot (n.) A pneumatic or hydraulic cushion for a falling weight, as in the valve gear of a steam engine, to prevent shock..

Oxyacid :: Oxyacid (n.) An acid containing oxygen, as chloric acid or sulphuric acid; -- contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-..

Hydroid :: Hydroid (a.) Related to, or resembling, the hydra; of or pertaining to the Hydroidea..

Hydration :: Hydration (n.) The act of becoming, or state of being, a hydrate..

Centaur :: Centaur (n.) A constellation in the southern heavens between Hydra and the Southern Cross.

Hydrating :: Hydrating (p. pr. & vb. n.) of Hydrat.

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

Normal :: Normal (a.) Denoting certain hypothetical compounds, as acids from which the real acids are obtained by dehydration; thus, normal sulphuric acid and normal nitric acid are respectively S(OH)6, and N(OH)5..

Xanthopuccine :: Xanthopuccine (n.) One of three alkaloids found in the root of the yellow puccoon (Hydrastis Canadensis). It is a yellow crystalline substance, and resembles berberine..

Water Lime :: Water lime () Hydraulic lime.

Hydriform :: Hydriform (a.) Having the form or structure of a hydra.

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..

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

Thiophenol :: Thiophenol (n.) A colorless mobile liquid, C6H5.SH, of an offensive odor, and analogous to phenol; -- called also phenyl sulphydrate..

Glycolide :: Glycolide (n.) A white amorphous powder, C4H4O, obtained by heating and dehydrating glycolic acid..

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

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

Myoepithelial :: Myoepithelial (a.) Having the characteristics of both muscle and epithelium; as, the myoepithelial cells of the hydra..

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