WordReference Random House Unabridged Dictionary of American English © 2025
A•te•ri•an
(ə tēr′ē ən),USA pronunciation adj. [Archaeol.]
- Archaeologyof or indicating a Middle Paleolithic industry of northwestern Africa and the Sahara, characterized by the production of tanged points and bifacially worked leaf-shaped points of varying sizes.
- French atérien, after the type-site, Bir el Ater, Algeria; see -ian
- 1925–30