Definitions

1. noun

The property of an optical system of having different focal lengths for different wavelengths of light, often resulting in color distortion or fringing.

“The camera’s achromatism caused the image of the rainbow to appear distorted and blurry.”

2. noun

A condition or phenomenon in which colors or hues appear to be absent or distorted, often due to an optical system’s inability to focus light evenly across the visible spectrum.

“The artist’s use of achromatism in her paintings created a sense of mystery and otherworldliness.”