acetify

From Latin acetum (“vinegar”) +‎ -fy or back-formation from acetification.

• IPA^(key): /əˈsiːtɪfaɪ/

• Audio (Southern England):

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acetify (third-person singular simple present acetifies, present participle acetifying, simple past and past participle acetified)

1. (transitive) To convert into acid or vinegar.
2. (intransitive) To turn acid.