Webster's Revised Unabridged Dictionary · 1913

Upheaval

Upheaval , noun

The act of upheaving, or the state of being upheaved; esp., an elevation of a portion of the earth's crust. — Lubbock

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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