| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Black gold | Health | High potency marijuana. (references) | |
| Black gold | Mining | A. A slang American term referring to crude oil.b. Syn: Maldonite c. Placer gold coated with a black or dark-brown substance (such as a film of manganese oxide) so that the yellow color is not visible until the coating is removed. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||