Definition of lacto- in English:

lacto-

Syllabification: lacto-

combining form

  • 1Of or relating to milk: lactometer
  • 2From or relating to lactic acid or lactose: lactobacillus

Origin

from Latin lac, lact- 'milk'.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody