from The Century Dictionary and Cyclopedia
- n. Dark pigmentation.
Sorry, no etymologies found.
Intemperies facit succum nigrum, nigrities, obscurat spiritum, obscuratio spiritus facit metum et tristiam.
Wells and Rayer have also published accounts of cases of accidental nigrities.
The existence of accidental nigrities rests on well-established facts which are distinctly different from the pigmentation of purpura, icterus, or that produced by metallic salts.
One of the latter cases was a sailor of sixty-three who suffered from general nigrities, and the other was in a woman of thirty, appearing after weaning and amenorrhea.