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To hinder; to debar; to prevent; to preclude. Gates of burning adamant, Barred over us, prohibit all egress. Milton.

in rhombohedral crystals or massive, and is of a dark red or black color with a metallic adamantine luster.

Northern United States (Crotalus horridus), and the diamond rattlesnake of the south (C. adamanteus), are the best known. See Illust. of Fang. Ground rattlesnake (Zoöl.), a small rattlesnake (Caudisona, or Sistrurus, miliaria) of the Southern United States, having a small rattle. It has nine large scales on its head.…

ck, and have black patches on the back. -- Rock rabbit (Zoöl.), the hyrax. See Cony, and Daman. -- Rock ruby (Min.), a fine reddish variety of garnet. -- Rock salt (Min.), cloride of sodium (common salt) occuring in rocklike masses in mines; mineral salt; salt dug from the earth. In the United States this name is so…

A mineral usually of a reddish brown color, and brilliant metallic adamantine luster, occurring in tetragonal crystals. In composition it is titanium dioxide, like octahedrite and brooklite.

the stamp of a divine origin. Of the same stamp is that which is obtruded on us, that an adamant suspends the attraction of the loadstone. Sir T. Browne.

face otherwise; as, to turn a wheel or a spindle; to turn the body or the head. Turn the adamantine spindle round. Milton. The monarch turns him to his royal guest. Pope.

The diamond rattlesnake (Crotalus adamanteus); -- so called from its preference for damp places near water.