a·ce·tous 
(ə-sētəs, ăsĭ-təs)
(ə-sētəs, ăsĭ-təs)adj.
1. Of, relating to, or producing acetic acid or vinegar.
2. Having an acetic taste; sour-tasting.
[Middle English, sour, from Medieval Latin acētōsus, vinegary, from Latin acētum, vinegar; see ACETUM.]
- what it takes
- whatnot
- whatsis
- what's is is it with
- whatsit
- whatsoever
- what's what
- what's what is it with
- what's/what is/what is it with
- what what is it with
- what with
- wheal
- wheat
- wheat beer
- wheat bread
- wheatear
- wheaten
- wheaten terrier
- wheat germ
- wheatgrass
- Wheatley
- wheat rust
- Wheatstone bridge
- Wheatstone's bridge
- whee