Dictionary.com
Thesaurus.com

achromatic colour

British  

noun

  1. physics colour, such as white, black, and grey, that is devoid of hue See colour

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "achromatic colour" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com