| aceto- or (before a vowel) acet- | |
| —combining form | |
| containing an acetyl group or derived from acetic acid: acetone | |
| [from Latin acētum vinegar] | |
| acet- or (before a vowel) acet- | |
| —combining form | |
| [from Latin acētum vinegar] | |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a chattering or flighty, light-headed person. |
acet- pref.
Variant of aceto-.