sphere

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Sphere is part of the Academic Word List. It is important for students in college and university.

Pronunciation[change]

Noun[change]

Singular
sphere

Plural
spheres

A sphere
  1. A sphere is a shape that is round in all directions, like a ball. Every point on a sphere is the same distance from the centre (a point in the middle) of the sphere.
    The Earth is almost exactly a sphere.
    A drop of water can be a sphere while it's falling.