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| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a chattering or flighty, light-headed person. |
Black (blāk), Sir James Whyte. Born 1924.
British pharmacologist. He shared a 1988 Nobel Prize for developing drugs to treat heart disease and stomach and duodenal ulcers.
| Black, Joseph 1728-1799.
British chemist who in 1756 discovered carbon dioxide, which he called "fixed air." In addition to further studies of carbon dioxide, Black formulated the concepts of latent heat and heat capacity. |
black definition
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