Definition of sphere
1a (1) : the apparent surface of the heavens of which half forms the dome of the visible sky (2) : any of the concentric and eccentric revolving spherical transparent shells in which according to ancient astronomy stars, sun, planets, and moon are setb : a globe depicting such a sphere; broadly : globe a
2a : a globular body : ballb : planet, starc (1) : a solid that is bounded by a surface consisting of all points at a given distance from a point constituting its center — see volume table (2) : the bounding surface of a sphere
3 : natural, normal, or proper place; especially : social order or rank not in the same sphere as his moneyed friends
4a obsolete : orbitb : an area or range over or within which someone or something acts, exists, or has influence or significance the public sphere
sphericplay \ˈsfir-ik, ˈsfer-\ adjective, archaic
sphericityplay \sfir-ˈi-sə-tē\ noun
Examples of sphere in a Sentence
All points on a sphere are the same distance from the center.
Women at that time were confined to the domestic sphere.
They recognize that jobs in the public sphere are valuable.
Recent Examples of sphere from the Web
Developer Vicarious Visions chose authenticity over improvement, and, in the sphere of gaming history and archival, that choice matters.
The dish is served with french fries, kale slaw and little spheres of hot sauce on the house buttermilk-herb dressing.
The conductor in this creative sphere is the Double, Tchaikovsky’s alter ego.
Their main points have been discussed exhaustively, both in congressional hearings and in the public sphere.
So far, astronomers have found only a dozen of the most distant probes of Planet Nine’s supposed sphere of influence.
Prusa is celebrated for intricate images derived from astrophysics and mathematics, painstakingly drawn in silverpoint onto large acrylic spheres.
The online retail giant Amazon has made a bold move into the grocery sphere, announcing a $13.7 billion deal Friday (June 16) to buy Whole Foods, according to CNBC.com.
In March 1958, the U.S. Navy launched a grapefruit-size sphere dubbed Vanguard I into orbit around Earth.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sphere'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of sphere
SPHERE Defined for English Language Learners
Definition of sphere for English Language Learners
: a round object
geometry : a three-dimensional shape that looks like a ball
: an area of influence or activity
SPHERE Defined for Kids
Definition of sphere for Students
1 : an object (as the moon) shaped like a ball
2 : a figure so shaped that every point on its surface is an equal distance from its center
3 : a field of influence or activity Electrical work is outside a plumber's sphere.
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