Effloresce

v. i.	1.	To blossom forth. [imp. & p. p. Effloresced ; p. pr. & vb. n. Efflorescing .]
	2.	(Chem.) 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.
	3.	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 of nitric acid formed in the atmosphere.

Verb	1.	effloresce - burst forth into or as if into flower; "These manifestations effloresced in the past" Synonyms: burst forth
	2.	effloresce - assume crystalline form; become crystallized Synonyms: crystalise, crystalize, crystallize
	3.	effloresce - become encrusted with crystals due to evaporation

crystalise, crystalize, crystallize, devitrify, solidify