lactate

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a salt or ester of lactic acid
  2. verb give suck to

Etymology

Borrowed from Latin lactātus, perfect passive participle of lactō (“to suckle, give suck, contain milk”) (see -ate (verb-forming suffix)), from lac (“milk”), cognate to Ancient Greek γάλα (gála, “milk”).

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