(n.) A variety of opal not possessing opalescence.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). semiopal. Retrieved October 2, 2026, from http://smartdefine.org/semiopal/definitions/2060268 |
| Chicago | Webster's. 2011. "semiopal" http://smartdefine.org/semiopal/definitions/2060268 (accessed October 2, 2026). |
| Harvard | Webster's 2011, semiopal, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/semiopal/definitions/2060268>. |
| MLA | Webster's. "semiopal" 28 May 2011. Web. 2 October 2026. <http://smartdefine.org/semiopal/definitions/2060268> |