Meanings
plural Goldilocks zones
- Synonym of habitable zone.
This plot may be a map of another type of Goldilocks zone for habitable ocean worlds—one based on composition.
2021, Kevin Hand, Alien Oceans: The Search for Life in the Depths of Space, Princeton University Press, →ISBN, page 43Synonyms: habitable zone
Synonyms & antonyms
nounSynonym of habitable zone.
Origin
So called because, like the third of the three bowls of porridge in the fairy tale Goldilocks, it is neither too hot nor too cold, but just right.
Full word history & related roots →Cite this entry
Goldilocks zone. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Goldilocks%20zone
“Goldilocks zone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Goldilocks%20zone. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Goldilocks zone,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Goldilocks%20zone.
Source: Goldilocks zone on Wiktionary, CC BY-SA 4.0.