sphere

Meanings

1. 1
   noun

   A perfectly round solid shape, like a ball.

   The Earth is not a perfect sphere but bulges slightly at the equator.

2. 2
   noun

   An area of activity, knowledge, or influence.

   Money matters fall outside my sphere of expertise.

3. 3
   noun

   A particular part of society or way of life.

   In her professional sphere she is widely respected.

Common collocations

• celestial sphere Adjective + noun

Etymology tree Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere From Middle English spere, from Old French sphere, from Late Latin sphēra, earlier Latin sphaera (“ball, globe, celestial sphere”), from Ancient Greek σφαῖρα (sphaîra, “ball, globe”), of unknown origin. Not related to superficially similar Persian سپهر (sepehr, “sky”) .

Topics

External links

• Cambridge Dictionary
• Wiktionary
• Google Images