Meanings
- uncountableThe continued activity of the lactase enzyme in adulthood, allowing the digestion of lactose in milk.
Lactase persistence is under fairly direct genetic control and involves genes that inhibit the typical mammalian shutdown of the production of lactase after nursing ends.
2016, Joseph Henrich, chapter 6, in The Secret of Our Success […] , Princeton: Princeton University Press, →ISBNSynonyms: lactose tolerance
Synonyms & antonyms
nounThe continued activity of the lactase enzyme in adulthood, allowing the digestion of lactose in milk.
Cite this entry
lactase persistence. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/lactase%20persistence
“lactase persistence.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lactase%20persistence. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “lactase persistence,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/lactase%20persistence.
Source: lactase persistence on Wiktionary, CC BY-SA 4.0.