Meanings
- Synonym of Oort Cloud.
Synonyms: Oort Cloud
Synonyms & antonyms
proper nounSynonym of Oort Cloud.
Origin
Named after the Estonian astronomer Ernst Öpik, who proposed in 1932 a reservoir of long-period comets in the form of an orbiting cloud at the outermost edge of the Solar System, and the Dutch astronomer Jan Oort, who revived this idea in 1950 to resolve a paradox about the origin of comets.
Full word history & related roots →Cite this entry
Öpik-Oort Cloud. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/%C3%96pik-Oort%20Cloud
“Öpik-Oort Cloud.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/%C3%96pik-Oort%20Cloud. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Öpik-Oort Cloud,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/%C3%96pik-Oort%20Cloud.
Source: Öpik-Oort Cloud on Wiktionary, CC BY-SA 4.0.