American Heritage Dictionary
(1)
Century Dictionary
(5)
GNU Webster's 1913
(1)
WordNet
(1)
Elsewhere on the web
One tester uses white balsamic vinegar and another used the cheap acetic acid vinegar - neither of these would work.
Reports recently emerged from France of scientific testing, which suggested that Mac Pros were regularly emitting several toxic yet not immediately threatening kinds of fumes, including benzene, propanal and acetic acid.— MacNN | The Macintosh News Network
The research team, led by Dr Doug Stewart from the School of Civil Engineering and Dr Ian Burke from the School of Earth and Environment, has discovered that adding dilute acetic acid— Medindia Health News
Another possibility for those who are concerned particularly about a vinegar smell: Vinegar is acetic acid.— Serendip's Exchange -

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