Definition of Tombaugh, Clyde William in English:

Tombaugh, Clyde William

proper noun

  • (1906–97), American astronomer. His chief discovery was that of Pluto on 13 March 1930, which he made from the Lowell Observatory in Arizona. Tombaugh subsequently discovered numerous asteroids.

Pronunciation

Tombaugh, Clyde William

/ˈtɒmbɔː/