Hydrophidae A family of sea snakes comprising about 50 species with flattened oar-like tails used as sculls. They are found mostly in the coastal waters of south Asia and Australia. The largest reach a length of almost 9 feet but most species are only about a third as long. They are all venomous. (Goin, Goin, and Zug, Introduction to Herpetology, 3d ed, pp331-3; Moore: Poisonous Snakes of the World, 1980, p159)
Synonyms : Sea Snake, Snake, Sea, Snakes, Sea
Hydrophobicity The property of substances of reduced affinity for or repulsion of water.
Hydrophthalmos Congenital open-angle glaucoma that results from dysgenesis of the angle structures accompanied by increased intraocular pressure and enlargement of the eye. Treatment is both medical and surgical.
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Hydrophyllaceae The waterleaf plant family of the order Solanales, subclass Asteridae, class Magnoliopsida. They have alternate leaves, regular flowers with five-lobed corollas (united petals), and a one- or two-celled ovary.
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Hydropneumothorax A collection of fluid and gas within the pleural cavity. (Dorland, 27th ed)