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give a characteristic spectrum. It resembles barium chemically. Radium preparations are remarkable for maintaining themselves at a higher temperature than their surroundings, and for their radiations, which are of three kinds: alpha rays, beta rays, and gamma rays (see these terms). By reason of these rays they ionize…

A genus of shrubs or small trees, often having handsome evergreen leaves, and remarkable for the beauty of their flowers; rosebay.

A kind of glass drop with a long tail, made by dropping melted glass into water. It is remarkable for bursting into fragments when the surface is scratched or the tail broken; -- so called from Prince Rupert, nephew of Charles I., by whom they were first brought to England. Called also Rupert's ball, and glass tear.…

al revolution round the sun, nearly twenty-nine years and a half. It is surrounded by a remarkable system of rings, and has eight satellites.

A South American ant (Ecodoma cephalotes) remarkable for having two large kinds of workers besides the ordinary ones, and for the immense size of its formicaries. The sauba ant cuts off leaves of plants and carries them into its subterranean nests, and thus often does great damage by defoliating trees and cultivated pl…

One of a family (Scyllaridæ) of macruran Crustacea, remarkable for the depressed form of the body, and the broad, flat antennæ. Also used adjectively.

tic seas, much hunted for its oil. It sometimes attains a length of thirty feet, and is remarkable for the prolongation of the nose of the adult male into an erectile elastic proboscis, about a foot in length. Another species of smaller size (M. angustirostris) occurs on the coast of Lower California, but is now nearly…

mass, or as a dark metallic- looking substance. It exhibits under the action of light a remarkable variation in electric conductivity, and is used in certain electric apparatus. Symbol Se. Atomic weight 78.9.

A marine crab (Podophthalmus vigil) native of the Indian Ocean, remarkable for the great length of its eyestalks; -- called also sentinel crab.

A large African wading bird (Balæniceps rex) allied to the storks and herons, and remarkable for its enormous broad swollen bill. It inhabits the valley of the White Nile. See Illust. (l.) of Beak.

A remarkable event, considered by the ancients as indicating the will of some deity; a prodigy; an omen.

Noticeable; distinguished from what is ordinary; eminent; remarkable; memorable; as, a signal exploit; a signal service; a signal act of benevolence. As signal now in low, dejected state As erst in highest, behold him where he lies. Milton.

The quality or state of being signal or remarkable. [Obs.] Sir T. Browne.

pider (Zoöl.), a large spider (Nephila plumipes), native of the Southern United States, remarkable for the large quantity of strong silk it produces and for the great disparity in the sizes of the sexes. -- Silk thrower, Silk throwster, one who twists or spins silk, and prepares it for weaving. Brande & C. -- Silk tr…

thing presented to view as extraordinary, or as unusual and worthy of special notice; a remarkable or noteworthy sight; a show; a pageant; a gazingstock. O, piteous spectacle O, bloody times! Shak.

ize; as, to speculate on questions in religion; to speculate on political events. It is remarkable that persons who speculate the most boldly often conform with the most pefect quietude to the external regulations of society. Hawthorne.

hing is publicly exhibited; the scene of any noted action or carrer; the spot where any remarkable affair occurs. When we are born, we cry that we are come To this stage of fools. Shak. Music and ethereal mirth Wherewith the stage of air and earth did ring. Miton.

A remarkable accretion of fat upon the buttocks of Africans of certain tribes, especially of Hottentot women.

A genus of large Jurassic dinosaurs remarkable for a powerful dermal armature of plates and spines.

ural level of the ground. It is a magnificent strong building, with a substruction very remarkable. Evelyn.