nigrify

English

Verb

nigrify (third-person singular simple present nigrifies, present participle nigrifying, simple past and past participle nigrified)

1. (transitive) To make black in colour; to blacken.
   • 1868, Ballou's Monthly Magazine (volumes 27-28, page 97)

     An adventurous London journalist, who is going to Abyssinia in advance of the expedition, tried to nigrify himself recently with tincture of iodine.