English

Noun

monochromaticity ‎(uncountable)

1. the degree to which something is monochromatic
   • 2001 November 23, Patrick Gill, “ATOMIC CLOCKS: Raising the Standards”, in Science, volume 294, number 5547, DOI:10.1126/science.1066928, pages 1666-1668:

     The achievable frequency stability is proportional to the monochromaticity (or Q) of the absorption, so optical clocks promise better standards.