acescent adjective. [ǝ'sɛs(ǝ)nt] M18.
[French, or Latin acescent- pres. ppl stem of acescere become sour: see -ESCENT.]
Turning sour; tending to turn acid; somewhat sour (lit. & fig.).

■ acescence noun the act of turning sour, acetous fermentation L17.

■ acescency noun tendency to sourness; incipient or slight acidity: M18.

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