| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. (Geol.), the glacial epoch.[Websters]. | |
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| Expressions | Definition | ||
| Drift epoch | (Geol.), the glacial epoch. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Drift epoch | Geography | Part of geologic time, from Precambrian onward, in which the climate was notably cold in both the northern and southern hemispheres and widespread glaciers moved toward the equator and covered a much larger total area than those of the present day. Source: European Union. (references) | |
| Drift epoch | Mining | See: glacial epoch. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||