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In my view, the Christian religion is the most important and one of the first things in which all children, under a free government ought to be instructed... No truth is more evident to my mind than that the Christian religion must be the basis of any government intended to secure the rights and privileges of a free people. Preface to 1828 Dictionary
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HEM'ISPHERE, n. [Gr.] A half sphere; one half of a sphere or globe, when divided by a plane passing through its center. In astronomy, one half the mundane sphere. The equator divides the sphere into two equal parts. That on the north is called the northern hemisphere; the other, the southern. So the horizon divides the sphere into the upper and lower hemispheres. Hemisphere is also used for a map or projection of half the terrestrial or celestial sphere, and is then often called planisphere.
A half sphere; one half of a
sphere or globe, when divided by a plane passing through its
center.
Half of the terrestrial globe, or a
projection of the same in a map or picture.
The people who inhabit a
hemisphere.
He died . . . mourned by a hemisphere. J. P. Peters. 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hemispheres (Physics), two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; -- used to illustrate the pressure of the air. So called because invented by Otto von Guericke at Magdeburg. | ||||||||