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Bettinus

American  
[bet-n-uhs] / ˈbɛt n əs /

noun

  1. a crater in the third quadrant of the face of the moon: about 60 miles (96 km) in diameter.

Example Sentences

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A similar instrument from the work of Bettinus is given on page 241, the distance of a ship being found by constructing an isosceles triangle.

From The Teaching of Geometry by Smith, David Eugene

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.