| 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 screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
Baltimore2 (ˈbɔːltɪˌmɔː) ![]() | |
| —n | |
| 1. | David. born 1938, US molecular biologist: shared the Nobel prize for physiology or medicine (1975) for his discovery of reverse transcriptase |
| 2. | See Calvert Lord. |
Baltimore Bal·ti·more (bôl'tə-môr'), David. Born 1938.
American microbiologist. He shared a 1975 Nobel Prize for research on the interaction of tumor viruses and genetic material.
| Baltimore (bôl'tə-môr') Pronunciation Key
American microbiologist who discovered the enzyme reverse transcriptase, which is capable of passing information from RNA to DNA. Prior to this discovery, it was assumed that information could flow only from DNA to RNA. He won a 1975 Nobel Prize for his research into the connection between viruses and cancer. |
Largest city in Maryland.
Note: Named after Lord Baltimore, founder of the colony of Maryland. The city is a major industrial center and port.