Baltimore

¹ American  

[bawl-tuh-mawr, -mohr] / ˈbɔl təˌmɔr, -ˌmoʊr /

noun

1. a black nymphalid butterfly, Melitaea phaeton, characterized by orange-red, yellow, and white markings, common in those areas of the northeastern U.S. where turtlehead, the food plant of its larvae, is found.

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Baltimore ² American  

[bawl-tuh-mawr, -mohr] / ˈbɔl təˌmɔr, -ˌmoʊr /

noun

1. David, born 1938, U.S. microbiologist: Nobel Prize in Medicine 1975.

2. Lord. Sir George Calvert.

3. a seaport in N Maryland, on an estuary near the Chesapeake Bay.

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Baltimore ¹ British  

/ ˈbɔːltɪˌmɔː /

noun

1. David . born 1938, US molecular biologist: shared the Nobel prize for physiology or medicine (1975) for his discovery of reverse transcriptase

2. Lord . See Calvert

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Baltimore ² British  

/ ˈbɔːltɪˌmɔː /

noun

1. a port in N Maryland, on Chesapeake Bay. Pop: Pop: 628 670 (2003 est)

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Baltimore Scientific  

/ bôl′tə-môr′ /

1. 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.

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Baltimore Cultural  

1. Largest city in Maryland.

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Discover More

Named after Lord Baltimore, founder of the colony of Maryland. The city is a major industrial center and port.

Etymology

Origin of Baltimore

Baltimore oriole

Example Sentences

McCormick’s MKC -5.99%decrease; red down pointing triangle journey to a $65 billion food colossus started in a Baltimore cellar in 1889.

From The Wall Street Journal • Mar. 31, 2026

Born in Baltimore, Maryland, Wiseman lost his wife to cancer in 2020 and has raised their two teenage daughters alone.

From BBC • Mar. 30, 2026

I was rotating through a pediatric ICU in Baltimore.

From Slate • Mar. 29, 2026

Scientific operations are conducted by the Space Telescope Science Institute in Baltimore, which is run by the Association of Universities for Research in Astronomy.

From Science Daily • Mar. 21, 2026

The inauguration was just days away, and we’d more than done our job of securing the railroad lines into Baltimore.

From "The Detective's Assistant" by Kate Hannigan