v. [mod. f. Gr. ἀχρώματ-ος colorless + -IZE.] To deprive of color; to render achromatic.
1845. Encycl. Metrop., IV. 423, s.v. Light, If we can achromatise each elementary prism, the whole system is achromatic.
1848. Quekett, Microscope (1855), 38. In 1784 Æpinus made many fruitless trials to achromatize the microscope.
1872. Everett, trans. Deschanel’s Nat. Phil. Two prisms … will achromatize one another if … the product of deviation by dispersive power is the same for both.
