Dictionary
au•to
Pronunciation: (ô'tō), [key]—
n.,
—pl. -tos.
automobile.
auto-
a combining form meaning “self,” “same,” “spontaneous,” used in the formation of compound words:
autograph. Also, esp. before a vowel,aut-.auto-
a combining form representing
automobile in compound words:
autocade. auto-
a combining form representing
automatic in compound words:
autoalarm; autofeed; autofocus. Sometimes also taken as an adjective:
auto enlarger; auto stop control. auto.
1. automatic.
2. automobile.
3. automotive.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.