obscure : Idioms & Phrases

Index

clare-obscure

Clare"-ob*scure" noun
Etymology
L. clarus clear + obscurus obscure; cf. F. clair-obscur. Cf. Chiaroscuro.
Definitions
  1. (Painting) See Chiaroscuro.
Webster 1913

Obscure rays

  • (Opt.), those rays which are not luminous or visible, and which in the spectrum are beyond the limits of the visible portion.
Webster 1913