Wordnet 3.0
NOUN (1)
1. 
 United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953); 
[syn: Hubble, Edwin Hubble, Edwin Powell Hubble]
WordNet (r) 3.0 (2006):
Edwin Powell Hubble
    n 1: United States astronomer who discovered that (as the
         universe expands) the speed with which nebulae recede
         increases with their distance from the observer (1889-1953)
         [syn: Hubble, Edwin Hubble, Edwin Powell Hubble]