effloresce
/efloress/ • verb 1 (of a substance) lose moisture and turn to a fine powder on exposure to air. 2 (of salts) come to the surface of brickwork or other material and crystallize. 3 reach an optimum stage of development. — DERIVATIVES efflorescence noun efflorescent adjective. — ORIGIN Latin efflorescere, from florescere ‘begin to bloom’.
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