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say it: sfir
sphere is a noun meaning "a particular environment or walk of life". It carries 7 recorded senses.
the geographical area in which one nation is very influential
a particular aspect of life or activity
“he was helpless in an important sector of his life”
a solid figure bounded by a spherical surface (including the space it encloses)
a three-dimensional closed surface such that every point on the surface is equidistant from the center
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for sphere come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.