lacto-

prefix

milk.

Similar
galacto-galact-
OriginLatin lac →
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Meanings

prefix

alternative lact-

  1. milk.

    Synonyms: galacto-, galact-

Synonyms & antonyms

prefixmilk.

Similar
galacto-galact-

Origin

  1. Latinlac
  2. Latinlac
  3. Englishlacto-

Derived from Latin lac (“milk”).

More words from Latin

Full word history & related roots →

Translations

Catalan lact-
  • lact-milk
Irish lacht-
  • lacht-milk
Italian latto-
  • latto-milk
Portuguese lacto-, lact-
  • lacto-milk
  • lact-milk
Cite this entry
APA

lacto-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lacto-

MLA

“lacto-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lacto-. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “lacto-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lacto-.

Source: lacto- on Wiktionary, CC BY-SA 4.0.