Ypresian
//iːˈpɹɛz.i.ən// adj, name
adj, name ·Rare ·Advanced level
Definitions
Adjective
- 1 Of or pertaining to a geological epoch, the oldest age or lowest stratigraphic stage of the Eocene. not-comparable
Proper Noun
- 1 A subdivision of the Eocene epoch
Etymology
From the French ypresien, from Ypres + -ien; equivalent to Ypres + -ian; compare yperite.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.