(1) (botany) Efflorescing or bursting into flower; blossoming.
(2) (chemistry) To be covered with or forming an efflorescence.
(3) (chemistry) Pertaining to a crystalline body that effloresces or gradually changes to a powder via evaporation when exposed to a dry atmosphere.
Word origin: Latin efflorescere (to bloom, blossom).
Related forms: efflorescence (noun), effloresce (verb)