(a.) Pertaining to or designating, the highest oxygen acid (HClO4), of chlorine; -- called also hyperchloric.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). perchloric. Retrieved September 21, 2026, from http://smartdefine.org/perchloric/definitions/2043632 |
| Chicago | Webster's. 2011. "perchloric" http://smartdefine.org/perchloric/definitions/2043632 (accessed September 21, 2026). |
| Harvard | Webster's 2011, perchloric, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/perchloric/definitions/2043632>. |
| MLA | Webster's. "perchloric" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/perchloric/definitions/2043632> |