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Definition of Ypresian
1. Adjective. (geology) Of or pertaining to a geological epoch, the oldest age or lowest stratigraphic stage of the Eocene. ¹
¹ Source: wiktionary.com
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1. Adjective. (geology) Of or pertaining to a geological epoch, the oldest age or lowest stratigraphic stage of the Eocene. ¹
¹ Source: wiktionary.com