aceto-

1.
a combining form with the meanings “vinegar,” “acetic acid,” used in the formation of compound words (acetometer), especially in the names of chemical compounds in which acetic acid or the acetyl group is present (acetophenetidin).
Also, especially before a vowel, acet-.
Origin
< Latin acēt(um) vinegar + -o-. Cf. acid, acescent
British Dictionary definitions for aceto-

aceto-

combining form
1.
containing an acetyl group or derived from acetic acid: acetone
Word Origin
from Latin acētum vinegar
Word Origin and History for aceto-

before vowels acet-, word-forming element from comb. form of acetic and generally indicating compounds from or related to acetic acid.

aceto- in Medicine

aceto- or acet-
pref.

  1. Acetic acid: acetaldehyde.

  2. Acetyl: acetanilide.