What is one of the great divisions of geological time; as, the Tertiary period; the Glacial period. See the Chart of Geology called?
period — (Geol.) One of the great divisions of geological time; as, the Tertiary period; the Glacial period. See the Chart of Geology. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
- Canonical URL: https://worddirectanswers.com/answers/what-is-period-sense-2-called
- Steward: Jason Burns
- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00