WACKY, noun A rock nearly allied to basalt, of which it may be regarded as a more soft and earthy variety. Its color is a greenish gray, brown or black. It is opake, yields easily to the knife, and has a greasy feel. Its principal ingredient is silex. Gray wacky is a different species of rock, being a kind of sandstone. wacky is a mineral sunstance intermediate between clay and basalt.
Conteúdo
Direitos e fontes
Consulte informações de fonte, licença e atribuição deste conteúdo.
Conteúdo
Webster's Dictionary 1828
American Dictionary of the English Language, Noah Webster, 1828.