a. [ L. caerulus, eguiv. to caeruleus. ] Blue; cerulean. [ Obs. ] Dyer. [ 1913 Webster ]
a. [ L. caeruleus. ] Sky-colored; blue; azure. Cowper. [ 1913 Webster ]
Blue, blue, as if that sky let fall [ 1913 Webster ]
A flower from its cerulean wall. Bryant. [ 1913 Webster ]
n. [ L. caeruleus sky-blue. ] (Chem.) A fast dyestuff,
n. [ isolated from Cephalosporium caerulens. ] (Chem.) an antifungal antibiotic,
a. Cerulean. [ Obs. ] Dr. H. More. [ 1913 Webster ]
a. [ L. caeruleus sky-blue + -escent. ] Tending to cerulean; light bluish. [ Webster 1913 Suppl. ]
n. [ NL. ] A greenish blue pigment prepared in various ways, consisting essentially of cobalt stannate. Unlike other cobalt blues, it does not change color by gaslight. [ Webster 1913 Suppl. ]