1. United States astronomer whose studies of Mars led him to conclude that Mars was inhabited (1855-1916); [syn: Lowell, Percival Lowell]
WordNet (r) 3.0 (2006):
Percival Lowell
n 1: United States astronomer whose studies of Mars led him to
conclude that Mars was inhabited (1855-1916) [syn:
Lowell, Percival Lowell]