terra incognita

How to use terra incognita in a sentence

• The logician Kurt Gödel proved the existence of such mathematical terra incognita nearly a century ago.

  How the Slowest Computer Programs Illuminate Math’s Fundamental Limits | John Pavlus | December 10, 2020 | Quanta Magazine

• Although many thousands know well the district of the Broads, yet to the bulk of people it is still a terra incognita.

  Yachting Vol. 2 | Various.

• Such theories were possible only when the whole of totemic culture was as yet a terra incognita.

  Elements of Folk Psychology | Wilhelm Wundt

• The materials of which they were composed were mostly terra incognita to us, but some of them tasted very nice.

  From the Caves and Jungles of Hindostan | Helena Pretrovna Blavatsky

• This terra incognita, at the period of which we speak, was El Dorado to the European imagination.

  The Lily and the Totem | William Gilmore Simms