Monochromatic
Pronunciation : Mon`o*chro*mat"ic
Part of Speech : a.
Etymology : [Cf. F. monochromatique. See Monochrome.]
Definition : Defn: Consisting of one color, or presenting rays of light of one color only. Monochromatic lamp (Opt.),a lamp whose flame yields rays of some one homogenous light. It is of great importance in optical experiments.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder