1. pertaining to or exhibiting seven colors.
2. having vision for all seven colors of the spectrum.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Being able to see all seven colors of the spectrum; having seven colors (red, orange, yellow, green, blue, indigo, violet).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
heptachromic(hĕp″tă-krō′mĭk) [Gr. hepta, seven, + chroma, color]
Possessing normal color vision.
Medical Dictionary, © 2009 Farlex and Partners