单词 purpurascent 释义 purpurascent, a. Zool.[ad. pres. pple. of L. purpurascre to become purple, f. purpurre: see purpurate v.]Passing into purple.1802Shaw Gen. Zool. III. 549 Purpurascent Snake. Coluber purpurascens... Violaceous-green Snake, with a pa...