(n.) Any compound ascidian of the genus Pyrosoma. The pyrosomes form large hollow cylinders, sometimes two or three feet long, which swim at the surface of the sea and are very phosphorescent.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pyrosome. Retrieved September 29, 2026, from http://smartdefine.org/pyrosome/definitions/2051433 |
| Chicago | Webster's. 2011. "pyrosome" http://smartdefine.org/pyrosome/definitions/2051433 (accessed September 29, 2026). |
| Harvard | Webster's 2011, pyrosome, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/pyrosome/definitions/2051433>. |
| MLA | Webster's. "pyrosome" 27 May 2011. Web. 29 September 2026. <http://smartdefine.org/pyrosome/definitions/2051433> |