- (n.) Arsenious oxide or arsenious anhydride; -- called also arsenious acid, white arsenic, and ratsbane.
- (a.) Pertaining to or derived from, arsenic; -- said of those compounds of arsenic in which this element has its highest equivalence; as, arsenic acid.
- (n.) One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). arsenic. Retrieved September 24, 2026, from http://smartdefine.org/arsenic/definitions/1976028 |
| Chicago | Webster's. 2011. "arsenic" http://smartdefine.org/arsenic/definitions/1976028 (accessed September 24, 2026). |
| Harvard | Webster's 2011, arsenic, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/arsenic/definitions/1976028>. |
| MLA | Webster's. "arsenic" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/arsenic/definitions/1976028> |