Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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adj
Of or pertaining to a geological epoch, the oldest age or lowest stratigraphic stage of the Eocene.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
name
A subdivision of the Eocene epoch
Definition source: English Wiktionary via Wiktextract
Topics: biology, geography, geology, history, human-sciences, natural-sciences, paleontology, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From the French ypresien, from Ypres + -ien; equivalent to Ypres + -ian; compare yperite.
Across languages
10 source translations are retained for this English entry.
