Meanings
proper noun
- astronomyComet 109P/Swift-Tuttle
Origin
Independently discovered by American astronomers Lewis A. Swift (1820–1913), on 16 July 1862, and Horace Parnell Tuttle (1837–1923), on 19 July 1862.
Full word history & related roots →Cite this entry
APA
Swift-Tuttle. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Swift-Tuttle
MLA
“Swift-Tuttle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Swift-Tuttle. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “Swift-Tuttle,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Swift-Tuttle.
Source: Swift-Tuttle on Wiktionary, CC BY-SA 4.0.