Meanings
proper noun
- geographyA subdivision of the Oligocene.
Origin
Named after from Sannois near Paris, France.
Full word history & related roots →Cite this entry
APA
Sannoisian. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Sannoisian
MLA
“Sannoisian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Sannoisian. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Sannoisian,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Sannoisian.
Source: Sannoisian on Wiktionary, CC BY-SA 4.0.