Terra-incognita definition

ĭnkŏg-nētə, -kŏgnĭ-tə
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An unknown land; an unexplored region.
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A new or unexplored field of knowledge.
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An unknown land; unexplored territory.
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An unknown or unexplored field of knowledge.
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Land that has never been explored or mapped; uncharted territory.
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By extension, ideas or concepts that have not yet been tried or explored.
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Origin of terra-incognita

  • New Latin Latin terra land Latin incognita feminine of incognitus unknown

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin: terra, land; incognita, unknown.

    From Wiktionary