- a walled plain in the third quadrant of the face of the moon: about 75 miles (120 km) in diameter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for purbach
Unfortunately, however, Purbach died before his journey to Rome.
Purbach deserves the name that has been given him of the father of mathematical astronomy in modern times.
He offered to secure them and also to provide for Purbach's support during the stay in Rome necessary for the study.
Purbach had computed a table of sines to a radius of 600,000 parts.
Purbach and Mullerus, in the fifteenth century, contributed most to the advancement of astronomy in their day.The Works of Robert G. Ingersoll, Vol. 1 (of 12)
Robert G. Ingersoll