Portuguese

Adjective

acromático m ‎(feminine singular acromática, masculine plural acromáticos, feminine plural acromáticas, comparable)

1. (optics) achromatic (free from colour)
2. (optics) achromatic (containing components to prevent colour-related distortion)
3. (music) achromatic (having only the diatonic notes of the scale)

Spanish

Etymology

From a- +‎ cromático.

Adjective

acromático m ‎(feminine singular acromática, masculine plural acromáticos, feminine plural acromáticas)

1. achromatic (all senses)