释义 |
ef·flo·resce \|eflə|res\ intransitive verb (-ed/-ing/-s) Etymology: Latin efflorescere, from ex- + florescere to begin to blossom — more at florescence 1. a. obsolete : blossom b. : to burst forth or become manifest as if flowering 2. chemistry a. : to change on the surface or throughout to a whitish mealy or crystalline powder from the loss of water of crystallization on exposure to the air < Glauber's salt effloresces > b. : to become covered with a powdery crust or hard coating < bricks may effloresce owing to the deposition of soluble salts > |