Étienne Bonnot de (etjɛn bɔno də). 1715–80, French philosopher. He developed Locke's view that all knowledge derives from the senses in his Traité des sensations (1754)
Condillac in American English
(kɔ̃̃diˈjak)
Étienne Bonˈnot de (eɪˈtjɛn bɔˈnoʊ də) 1715-80; Fr. philosopher