Artificial intelligent assistant

claro obscuro

claro obscuro Obs.
  [A Latinized spelling of It. chiaroscuro; cf. F. clair obscur, and clear-obscure.]
  = chiaroscuro.

1706 Art of Painting (1744) 5 The Claro Obscuro is the art of distributing lights and shadows advantageously. 1738 [G. Smith] Curious Relations II. v. 27 There appears no Clara Obscuro, or Light and Shadow. 1799 G. Smith Laboratory II. 63 The local colour, and the claro-obscuro.

Oxford English Dictionary

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