(chemistry) A fine black powder of amorphous carbon manufactured by the incomplete combustion of natural gas or oil, and used as a pigment in the manufacture of ink and paint. Used as a filler in rubber like polymers and rubber. It helps the polymers resist deterioration by ultraviolet rays.

(uncountable) A subgenre of comedy and satire that deals with subjects that are believed to be serious or controversial, such as death, divorce, drug abuse, etc.

A member of the RIC British irregular army group, operating against Irish republicans in the War of Independence 1920/21.

(transitive) To censor or cover up by writing over with black ink. / (transitive, figuratively) To censor or cover up. / (intransitive) To lose consciousness; to suffer a blackout.

a purplish black colour.

Very dark; without light.

An American black bear, Ursus americanus, indigenous to North America. / An Asiatic black bear, Ursus thibetanus.

Any of several species of venomous and potentially deadly spiders, particularly Latrodectus sp.. / A woman who kills one or more of her lovers.

Pertaining to Black Russia. / Used other than figuratively or idiomatically: see Black, Russian.

A very dark blue. / Black with bluish highlights.