The process of correcting or reducing chromatic aberration in optical systems; American spelling variant.
From 'achromatize' + '-ation' (noun suffix). American spelling variant developed in 19th-century optics alongside British 'achromatisation.'
The achromatization revolution in the 1700s let astronomers see Saturn's rings clearly for the first time—before that, the color blur made it look like Saturn had a weird halo!
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