Epoch
Chandler's Encyclopedia · 1898 · p. 29
Subdivision of geologic time, as the Quaternary Epoch; properly, point of time, not a period; commencement or close of an era.
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British Encyclopedia (1933)
Hawkins' Electrical Dictionary (1915)
Everybody's Encyelopedia (1912)
Webster's Condensed Dictionary- A Condensed Dictionary of the English Language (1909)
Chamber's Twientieth Century Dictionary (1908)
Pears Shilling Cyclopedia (1898)
Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
An Illustrated Dictionary of Words Used In Art and Archealogy. (1883)
Zell's Condensed Dictionary (1879)
A Church Dictionary (1854)
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Chamber's Twientieth Century Dictionary (1908)
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Encyclopedic Dictionary of American Reference (1901)
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Chandler's Encyclopedia (1898)
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Webster's Practical Dictionary- A Practical Dictionary of the Englih Language (1884)
Era
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Zell's Condensed Dictionary (1879)
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