Search Result for "anaximenes": 
Wordnet 3.0

NOUN (1)

1. a presocratic Greek philosopher and associate of Anaximander who believed that all things are made of air in different degrees of density (6th century BC); 



WordNet (r) 3.0 (2006):

Anaximenes
    n 1: a presocratic Greek philosopher and associate of
         Anaximander who believed that all things are made of air in
         different degrees of density (6th century BC)