Bible Dictionaries
Achromatic

Webster's Dictionary

(1):

(a.) Free from color; transmitting light without decomposing it into its primary colors.

(2):

(a.) Uncolored; not absorbing color from a fluid; - said of tissue.

Bibliography Information
Webster, Noah. Entry for 'Achromatic'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​a/achromatic.html. 1828.