terra incognita

noun

ter·​ra in·​cog·​ni·​ta ˈter-ə-ˌin-ˌkäg-ˈnē-tə How to pronounce terra incognita (audio) -in-ˈkäg-nə-tə How to pronounce terra incognita (audio)
plural terrae incognitae ˈter-ˌī-ˌin-ˌkäg-ˈnē-ˌtī How to pronounce terra incognita (audio)
-in-ˈkäg-nə-ˌtī
: unknown territory : an unexplored country or field of knowledge

Did you know?

When Roman mapmakers drew a land area that no one had yet explored, they often labeled it "Terra Incognita"—that is, "Unknown Territory"—and the term continued to be used for centuries afterward. When Columbus and his successors first crossed the Atlantic, they entered upon terra incognita, a land that came to be called the "New World". But the term is just as useful for mental exploration. For most of us, subjects such as particle physics, French 17th-century drama, and soil mechanics are terra incognita, and we can only hope to live long enough to be able to explore some of them someday.

Examples of terra incognita in a Sentence

the terra incognita beyond those mountains
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
There’s like 10 points of light, 10 equations among these thousands that have been studied reasonably well, and then there’s this whole terra incognita. Matteo Wong, The Atlantic, 4 Oct. 2024 Discovering a world of middle eastern cuisine that was terra incognita to Americans, Nathan decided to compile a cookbook, The Flavor of Jerusalem, which showcased Jewish, Muslim and Christian dishes. Tom Teicholz, Forbes, 29 Sep. 2024 But the ticking of a nuclear clock comes from a comparative terra incognita, the mysterious domain of the strong force that binds nuclei together. Allison Parshall, Scientific American, 11 Sep. 2024 Exceeding those targets would mean entering a climatic terra incognita. Michael Oppenheimer, Foreign Affairs, 13 Oct. 2020 See all Example Sentences for terra incognita 

Word History

Etymology

Latin

First Known Use

1611, in the meaning defined above

Time Traveler
The first known use of terra incognita was in 1611

Dictionary Entries Near terra incognita

Cite this Entry

“Terra incognita.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terra%20incognita. Accessed 22 Nov. 2024.

Last Updated: - Updated example sentences
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