n. [ See Iridescent. ] Exhibition of colors like those of the rainbow, especially a surface reflection which changes color with the angle at which the object is viewed; the quality or state of being iridescent; a prismatic play of color;
a. [ L. iris, iridis, the rainbow: cf. F. iridescent. ] Having colors like the rainbow; exhibiting a play of changeable colors; nacreous; prismatic;
n. Quality or state of being viridescent. [ 1913 Webster ]
a. [ L. viridescens, p. pr. of viridescere to grow green. ] Slightly green; greenish. [ 1913 Webster ]