Meanings
Synonyms & antonyms
proper nounSynonym of Kuiper belt.
More synonyms by meaning
nouna disk-shaped region of minor planets outside the orbit of Neptune
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Named after the Dutch astronomer Gerard Kuiper, who conjectured the existence of a version of the belt in 1951, and the Irish astronomer Kenneth Edgeworth, who proposed a similar hypothesis in the 1930s.
Full word history & related roots →Cite this entry
Edgeworth-Kuiper belt. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Edgeworth-Kuiper%20belt
“Edgeworth-Kuiper belt.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Edgeworth-Kuiper%20belt. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Edgeworth-Kuiper belt,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Edgeworth-Kuiper%20belt.
Source: Edgeworth-Kuiper belt on Wiktionary, CC BY-SA 4.0.