- (n.) The central mass of an aster from which the rays extend and within which the centrosome lies when present; the attraction sphere. The name has been used both as excluding and including the centrosome, and also to designate a modified mass of protoplasm about a centrosome whether aster rays are developed or not.
- (n.) The nucleus or central part of the earth, forming most of its mass; -- disting. from lithosphere, hydrosphere, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). centrosphere. Retrieved September 20, 2026, from http://smartdefine.org/centrosphere/definitions/1985784 |
| Chicago | Webster's. 2011. "centrosphere" http://smartdefine.org/centrosphere/definitions/1985784 (accessed September 20, 2026). |
| Harvard | Webster's 2011, centrosphere, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/centrosphere/definitions/1985784>. |
| MLA | Webster's. "centrosphere" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/centrosphere/definitions/1985784> |