Purbach

American  

[poor-bahk] / ˈpʊər bɑk /

noun

1. a walled plain in the third quadrant of the face of the moon: about 75 miles (120 km) in diameter.

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Example Sentences

REGIOMONTANUS.—A still more irregular walled-plain, of about the same area, closely associated with the S. flank of Purbach, having a rampart of a similar complex type, traversed by passes, longitudinal valleys, and other depressions.

From The Moon A Full Description and Map of its Principal Physical Features by Elger, Thomas Gwyn

Unfortunately, however, Purbach died before his journey to Rome.

From The Century of Columbus by Walsh, James J.

Purbach and Regiomontanus, two German astronomers of distinguished reputation, and Waltherus, a man of considerable renown, made many important observations in the fifteenth century.

From The Astronomy of Milton's 'Paradise Lost' by Orchard, Thomas Nathaniel

And, sure enough, right under them, a little northeast of Purbach, the travellers easily distinguished a long line straight and black, really not unlike a railroad cutting through a low hilly country.

From All Around the Moon by Roth, Edward

It is supposed that these vast plains are strewn with blocks of lava from the neighboring volcanoes on its right, Ptolemy, Purbach, Arzachel.

From From the Earth to the Moon; and, Round the Moon by Verne, Jules