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Definition of effloresce:

  1. 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.
  2. To blossom forth.
  3. 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.


enlighten, rich, break loose, crystallise, blow, shed light on, unfold, illuminate, better, rush out, bloom, elucidate, sort out, explode, clear, burst forth, straighten out, crystalize, crystallize, blossom, crystalise, leap out, burgeon, clear up, sally out, flower.

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