ARN

rabbinical text that was very likely compiled in the geonim era and is printed together with the minor tractates of the Talmud

Arn or ARN may refer to:Stockholm-Arlanda Airport, an international airport located in Sigtuna MunicipalityArn (Animorphs), fictional creatures from the Animorphs book seriesArn (film), an upcoming Swedish filmArn (language), a language isolate spoken in central Chile and west central ArgentinaARN (railway station), a railway station that serves the village of Arnside in Cumbria, EnglandArn Magnusson, a fictional character in The Knight Templar booksAustralian Radio Network, a network of commercial radio stationsGeorge Arnott Walker-Arnott, a Scottish botanist, known by the author abbreviation "Arn."
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George Arnott Walker-Arnott (1799-1868) was a Scottish botanist. He studied law in Edinburgh but became a botanist later. He studied the botany of North America with Sir William Hooker and collaborated with Robert Wight in studies of Indian botany.
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RNA, ribonucleic acid, large molecule found in all cells and similar in structure to DNA (Biology)

Airport Name: Stockholm-Arlanda Airport
Airport Location: Stockholm, Sweden
IATA Code: ARN
ICAO Code: ESSA