Hydrozincite

(Min.) A dull, whitish, earthy water 11.1. Sp.gr. 3:58. It may be formed artificially by decomposing hot solutions of salts of zinc by carbonates of the alkalies. The white coating that forms on zinc, when moistened and exposed to the air, has nearly the same composition. Hydrozo'a, n . pl . [Gr. hudor, water, zoon , animal.] ( Zool .) In some cla ifications, a group of zoöphites almost corresponding to the Hydroidæ of Aga iz. Hy'druret, n. (Chem.) Same as HYDROGURET, q. v. Hy'drus, n. (Zoöl. and Astron .) See HYDRA. Hye'mal, a. [Fr. hyémal , from Lat. hiemal is.] Bo longing to winter; done in winter.