Effloresce v. i. : To blossom forth.

Effloresce v. i. : To change on the surface, or throughout, to a whitish, mealy, or crystalline powder, from a gradual decomposition, esp. from the loss of water, on simple exposure to the air; as, Glauber's salts, and many others, effloresce.

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.

Example:


Taxonomy
efflorescence, cement, stone, concrete, CSD, salts, admixture, free encyclopedia, mix water, chlorides, sealer, water repellents, sand particles, gas phase, CaSO4, product, deposit, controlling.

Defination from the web:
Effloresce redirects here, for the album by Oceansize, see Effloresce (album) ... A building in Denver, Colorado badly affected by efflorescence. ...