lacto- Hear it!

lacto- definition

lacto- (lak′tō, -tə)

  1. milk lactometer
  2. Chem. lactic acid or lactate lactobacillus

Etymology: < L lac (gen. lactis), milk < IE base *glak- > galactic

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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