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Delthyris

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Webster's 1828 Dictionary · 1828

Part of speech: noun (n.)

A name formerly given to certain Silurian brachiopod shells of the genus Spirifer. Delthyris limestone (Geol.), one of the divisions of the Upper Silurian rocks in New York.

Noah Webster's American Dictionary of the English Language (1828). Structured JSON vendored from sktzofrenic/webster1828 at commit 5a58d9e0191eefaa51affbc1bb1b8bc5782ba6c0. The upstream README identifies the dictionary text as public domain and the project license as MIT.

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