[ sfeer ]
/ sfɪər /
- a solid geometric figure generated by the revolution of a semicircle about its diameter; a round body whose surface is at all points equidistant from the center. Equation: x2 + y2 + z2 = r2.
- the surface of such a figure; a spherical surface.
any rounded body approximately of this form; a globular mass, shell, etc.
the place or environment within which a person or thing exists; a field of activity or operation: to be out of one's professional sphere.
a particular social world, stratum of society, or walk of life: His social sphere is small.
a field of something specified: a sphere of knowledge.
verb (used with object), sphered, spher·ing.
to enclose in or as if in a sphere.
to form into a sphere.
to place among the heavenly spheres.
LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!
Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
Origin of sphere
1250–1300; <Late Latin sphēra,Latin sphaera globe <Greek sphaîra ball; replacing Middle English spere<Old French spere<Late Latin spēra, variant of sphēra
OTHER WORDS FROM spheresphereless, adjectivespherelike, adjectivesubsphere, nounun·spher·ing, adjective
Definition for sphere (2 of 2)
a combining form of sphere (planisphere); having a special use in the names of the layers of gases and the like surrounding the earth and other celestial bodies (ionosphere).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for sphere (1 of 2)
/ (sfɪə) /
- a three-dimensional closed surface such that every point on the surface is equidistant from a given point, the centre
- the solid figure bounded by this surface or the space enclosed by it. Equation: (x–a)² + (y–b)² + (z–c)² = r ², where r is the radius and (a, b, c) are the coordinates of the centre; surface area: 4π r ²; volume: 4π r ³/3
any object having approximately this shape; globe
the night sky considered as a vaulted roof; firmament
any heavenly object such as a planet, natural satellite, or star
(in the Ptolemaic or Copernican systems of astronomy) one of a series of revolving hollow globes, arranged concentrically, on whose transparent surfaces the sun (or in the Copernican system the earth), the moon, the planets, and fixed stars were thought to be set, revolving around the earth (or in the Copernican system the sun)
particular field of activity; environmentthat's out of my sphere
a social class or stratum of society
verb (tr) mainly poetic
to surround or encircle
to place aloft or in the heavens
Word Origin for sphere
C14: from Late Latin sphēra, from Latin sphaera globe, from Greek sphaira
British Dictionary definitions for sphere (2 of 2)
n combining form
having the shape or form of a spherebathysphere
indicating a spherelike enveloping massatmosphere
Derived forms of -sphere-spheric, adj combining form
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for sphere
[ sfîr ]
A ball-shaped or a globular body.
Other words from spherespher′al (sfîr′əl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for sphere
[ sfîr ]
A three-dimensional geometric surface having all of its points the same distance from a given point.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.