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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 gases, affect photographic plates, cause sores on the skin, and produce…

Lifted up; showing above the surroundings; as, raised or embossed metal work.

one of the rural noncombatants who were concentrated by the military authorities in areas surrounding the fortified towns, and later were reconcentrated in the smaller limits of the towns themselves.

In distillation, a vessel filled with cold water, surrounding the worm, the vapor in which is thereby condensed.

Having the percussion fulminate in a rim surrounding the base, distinguished from center-fire; -- said of cartridges; also, using rim-fire cartridges; as, a rim-fire gun. Such cartridges are now little used.

To cook by surrounding with hot embers, ashes, sand, etc.; as, to roast a potato in ashes. In eggs boiled and roasted there is scarce difference to be discerned. BAcon.

in which anything occurs, or in which the action of a story, play, or the like, is laid; surroundings amid which anything is set before the imagination; place of occurence, exhibition, or action. "In Troy, there lies the scene." Shak. The world is a vast scene of strife. J. M. Mason.

One of the smooth areas surrounding the tubercles of a sea urchin.

Pertaining to, or surrounding, scrobiculæ; as, scrobicular tubercles.

to defer; to put off; to lay aside. -- To shift the scene, to change the locality or the surroundings, as in a play or a story. Shift the scene for half an hour; Time and place are in thy power. Swift.

or before a fortified place for the purpose of compelling the garrison to surrender; the surrounding or investing of a place by an army, and approaching it by passages and advanced works, which cover the besiegers from the enemy's fire. See the Note under Blockade.

pots that appear on the sun's disk, consisting commonly of a black central portion with a surrounding border of lighter shade, and usually seen only by the telescope, but sometimes by the naked eye. They are very changeable in their figure and dimensions, and vary in size from mere apparent points to spaces of 50,000 m…

A method of hunting some animals, as the buffalo, by surrounding a herd, and driving them over a precipice, into a ravine, etc. [U.S.] Baird.

with attention, as from a high place; to overlook; as, to stand on a hill, and survey the surrounding country. Round he surveys and well might, where he stood, So high above. Milton.

An operation to diminish the size of the opening between eyelids when enlarged by surrounding cicatrices.

A cellular layer derived from the nucleus of an ovule and surrounding the embryo sac. Cf. Quintine.

r the region of the larynx. In man and most mammals it is a highly vascular organ, partly surrounding the base of the larynx and the upper part of the trachea. -- Thyroid dislocation (Surg.), dislocation of the thigh bone into the thyroid foramen. -- Thyroid foramen, the obturator foramen.

A circle of sportsmen, who, by surrounding an extensive space and gradually closing in, bring a number of deer and game within a narrow compass. [Scot.] We'll quell the savage mountaineer, As their tinchel cows the game! Sir W. Scott.

A platform surrounding the head of the lower mast and projecting on all sudes. It serves to spead the topmast rigging, thus strengheningthe mast, and also furnishes a convenient standing place for the men aloft. Totten.

m of all the vital functions so that the patient lies still and apparently unconscious of surrounding objects, while the pulsation of the heart and the breathing, although still present, are almost or altogether imperceptible. He fell down in a trance. Chaucer.