efflorescence in French
efflorescence in French
efflorescence
(chemistry) The formation of a powdery surface on crystals, as a hydrate is converted to anhydrous form by losing loosely bound water of crystallization to the atmosphere.
efflorescence
(pathology) A redness, rash, or eruption on the skin.
irruption
(pathology) A redness, rash, or eruption on the skin.