- (transitive)
to make slightly acid or sour
WordReference Random House Unabridged Dictionary of American English © 2025
a•cid•u•late
(ə sij′ə lāt′),USA pronunciation v.t., -lat•ed, -lat•ing.
a•cid′u•la′tion, n.
- Chemistryto make somewhat acid.
- to sour;
embitter.
- acidul(ous) + -ate1 1725–35
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