Definitions

1. adjective

Having dark or black coloration, especially on the skin, especially in relation to the phenomenon of acanthosis nigricans, in which dark skin patches appear, often in association with obesity, insulin resistance, or other conditions.

“The patient was diagnosed with a nigricant condition that required immediate medical attention.”

2. adjective (rare)

Giving off or emitting a dark or sweet odor.

“The fragrant flowers had a nigricant scent that filled the garden.”

3. noun (rare)

A substance giving off a dark or sweet odor.

“The perfume contained a nigricant that was highly prized for its fragrance.”