Meanings
proper noun
- astronomyA period of time, approximately 4 billion years ago, during which a large number of impact craters formed on Earth's Moon.
Synonyms: Late Heavy Bombardment, LHB
Synonyms & antonyms
proper nounA period of time, approximately 4 billion years ago, during which a large number of impact craters formed on Earth's Moon.
Similar
Cite this entry
APA
lunar cataclysm. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/lunar%20cataclysm
MLA
“lunar cataclysm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lunar%20cataclysm. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “lunar cataclysm,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/lunar%20cataclysm.
Source: lunar cataclysm on Wiktionary, CC BY-SA 4.0.