| auto- or (sometimes before a vowel) aut- | |
| —combining form | |
| 1. | self; same; of or by the same one: autobiography |
| 2. | acting from or occurring within; self-caused: autohypnosis |
| 3. | self-propelling; automatic: automobile |
| [from Greek autos self] | |
| aut- or (sometimes before a vowel) aut- | |
| —combining form | |
| [from Greek autos self] | |
| a scrap or morsel of food left at a meal. |
| a chattering or flighty, light-headed person. |
auto- or aut-
pref.
Self; same: autogamy.
| auto-
A prefix meaning "oneself," as in autoimmune, producing antibodies or immunity against oneself. It also means "by itself, automatic," as in autonomic, governing by itself. |