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from The Century Dictionary and Cyclopedia

  • In entomology, of a glassy or semi-transparent deepcrimson red, resembling a ruby, as the eyes of an insect; less exactly, in zoology, of any bright, rich, or vivid red: as, the rubineous flycatchers (Pyrocephalus).


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  • Rubineous means "ruby-colored; of a deep red color" (Oxford English Dictionary).

    July 1, 2011