- (v.i.) To change on the surface or throughout, to a whitish, mealy or crystalline powder, from a gradual decomposition, especially from the loss of water, on simple exposure to the air; as, Glauber's salts, and many others, effloresce.
- (v.i.) To become covered with a whitish crust or light crystallization, from a slow chemical change between some of the ingredients of the matter covered and an acid proceeding commonly from an external source; as, the walls of limestone caverns sometimes effloresce with nitrate of calcium in consequence of the action in consequence of nitric acid formed in the atmosphere.
- (v.i.) To blossom forth.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). effloresce. Retrieved September 20, 2026, from http://smartdefine.org/effloresce/definitions/2001770 |
| Chicago | Webster's. 2011. "effloresce" http://smartdefine.org/effloresce/definitions/2001770 (accessed September 20, 2026). |
| Harvard | Webster's 2011, effloresce, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/effloresce/definitions/2001770>. |
| MLA | Webster's. "effloresce" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/effloresce/definitions/2001770> |