- (n.) The theory that the various genera of bacteria are phases or variations of growth of a number of Protean species, each of which may exhibit, according to undetermined conditions, all or some of the forms characteristic of the different genera and species.
- (n.) The property of crystallizing under two or more distinct fundamental forms, including dimorphism and trimorphism.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pleomorphism. Retrieved September 22, 2026, from http://smartdefine.org/pleomorphism/definitions/2046436 |
| Chicago | Webster's. 2011. "pleomorphism" http://smartdefine.org/pleomorphism/definitions/2046436 (accessed September 22, 2026). |
| Harvard | Webster's 2011, pleomorphism, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/pleomorphism/definitions/2046436>. |
| MLA | Webster's. "pleomorphism" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/pleomorphism/definitions/2046436> |