Hemisphere includes the prefix hemi-, meaning "half". The northern and southern hemispheres are divided by the equator, the circle halfway between Earth's two poles. The eastern and …

hemisphere, in geometry and geography, half of a sphere.

HEMISPHERE definition: half of the terrestrial globe or celestial sphere, especially one of the halves into which the earth is divided. See examples of hemisphere used in a sentence.

Mar 6, 2024 · The word "hemisphere" is usually used to refer to halves of Earth, but it is also used to identify the halves of the brain. The brain is divided down the middle into the right and left …

The equator divides the earth into the northern and southern hemispheres. A hemisphere is also half of a ball-shaped object.

Definition of hemisphere noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Hemisphere refers to a half of a spherical object, such as a globe or planet. On Earth, a hemisphere is one of the two equal parts formed by dividing the planet with an imaginary line …

1. One half of a sphere, formed by a plane that passes through the center of the sphere. 2. Either the northern or southern half of the Earth as divided by the equator, or the eastern or western …

Sep 21, 2025 · A hemisphere is one half of a sphere. In geography, it refers to one half of the Earth, usually divided into northern and southern halves by the equator or eastern and western …

A hemisphere is one half of the brain. In most people, the left hemisphere is bigger than the right. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers