achromat

noun — 2 senses

achromat

noun

UK, US /ˈæ.kɹəʊ.mæt/

Etymology By shortening of achromatic.

1

Engineering, Natural sciences, Optics, Physical sciences, Physics A lens that imparts little color; a lens that is achromatic.

2

A person whose color blindness prevents them from seeing any color whatsoever.

Related terms
achromaticity

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.