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The people who inhabit a hemisphere. He died . . . mourned by a hemisphere. J. P. Peters. ten Cerebral hemispheres. (Anat.) See Brain. -- Magdeburg hemispheres (Physics), two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; -- used to illustrate the pressur…

the true north; the line of no magnetic variation. There is one such line in the Western hemisphere, and another in the Eastern hemisphere.

d are often seen at great distances from the land. They are found chiefly in the southern hemisphere.

One of the rounded prominences of the lower surface of the lateral hemispheres of the cerebellum, each side of the vallecula.

Inhabitants of opposite hemispheres. Whewell.

A large constellation in the southern hemisphere, called also Argo Navis. In modern astronomy it is replaced by its three divisions, Carina, Puppis, and Vela.

fly (Zoöl.), a large, handsome, red and black butterfly (Danais Archippus), found in both hemispheres. It feeds on plants of the genus Asclepias.

The Charioteer, or Wagoner, a constellation in the northern hemisphere, situated between Perseus and Gemini. It contains the bright star Capella.

p red or blood color. The Aurora australis (is a corresponding phenomenon in the southern hemisphere, the streams of light ascending in the same manner from near the southern horizon.

One of two constellations in the northern hemisphere, called respectively the Great Bear and the Lesser Bear, or Ursa Major and Ursa Minor.

The great band commissural fibers which unites the two cerebral hemispheres. See corpus callosum, under Carpus.

A constellation of the northern hemisphere, situated between Capheus and Perseus; -- so called in honor of the wife of Cepheus, a fabuolous king of Ethiopia. Cassiopeia's Chair, a group of six stars, in Cassiopeia, somewhat resembling a chair.

A constellation of the southen hemisphere; -- called also the Cup.

A constellation of the northern hemisphere east of, or following, Lyra; the Swan.

; both diagonal contraries, as much allowing one another as day and night together in one hemisphere. Milton.

A constellation of the northern hemisphere figured as a dragon; Draco.

which is stretched a piece of skin or vellum, to be beaten with a stick; or of a metallic hemisphere (kettledrum) with a single piece of skin to be so beaten; the common instrument for marking time in martial music; one of the pair of tympani in an orchestra, or cavalry band. The drums cry bud-a-dub. Gascoigne.…

uses, often accompanied by a rumbling noise. The wave of shock sometimes traverses half a hemisphere, destroying cities and many thousand lives; -- called also earthdin, earthquave, and earthshock. Earthquake alarm, a bell signal constructed to operate on the theory that a few seconds before the occurrence of an earthq…

everywhere equally distant from the two poles, and dividing the earth's surface into two hemispheres.

of the modern temperate regions was polar, and ice covered large portions of the northern hemisphere to the mountain tops. -- Glacial theory or hypothesis. (Geol.) See Glacier theory, under Glacier.