1. In a manner that is free from color; without chromatic aberration or color distortion.
Usage: technical; optics
2. In a way that lacks color or is neutral in tone; without emotional or stylistic coloring.
Usage: figurative

Examples

• The lens was designed to focus light achromatically, eliminating color fringing.
• The microscope's objective rendered the specimen achromatically for precise observation.
• She described the event achromatically, without embellishment or personal bias.
• The optical system corrected for aberrations achromatically across the visible spectrum.
• He spoke achromatically about the controversial topic, maintaining strict neutrality.