efflorescence

(noun) the period of greatest prosperity or productivity. Synonyms: flower, prime, peak, heyday, bloom, blossom, flush.

(noun) any red eruption of the skin. Synonyms: rash, roseola, skin rash.

(noun) the time and process of budding and unfolding of blossoms. Synonyms: blossoming, flowering, florescence, inflorescence, anthesis.

(noun) a powdery deposit on a surface. Synonyms: bloom.