efflorescent

a. [ F. efflorescent, L. efflorescens, -entis, blooming, p. pr. of efflorescere. See Effloresce, v. i. ] 1. That effloresces, or is liable to effloresce on exposure; as, an efflorescent salt. [ 1913 Webster ]

2. Covered with an efflorescence. [ 1913 Webster ]