different between dichromic vs chromic

English

Ancient Greek [Term?]

dichromic (not comparable)

furnishing or giving two colours; said of defective vision, in which all the compound colours are resolvable into two elements instead of three
- 1866, Sir J. Herschel, Familiar Lectures on Scientific Subjects
  Their vision is therefore, in fact, dichromic; all their compound colours are resolvable into two elements only instead of three.
containing two atoms of chromium

dichromic in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

chromic (not comparable)

(chemistry) of, relating to, or containing chromium, especially in oxidation state 3

Send