Meanings
nounlactulose (countable and uncountable, plural lactuloses)
plural lactuloses
- countableuncountablechemistryA synthetic disaccharide C₁₂H₂₂O₁₁ consisting of galactose and fructose units, used as a laxative for chronic constipation and as an acidifier to reduce blood ammonia levels causing neurological symptoms in advanced liver disease. It is used in solution for oral or rectal administration.
Origin
- Englishlact-
- Proto-Indo-European*ḱel-
- Latincella
- Latincellula
- Frenchcellule
- Proto-Indo-European*h₃ed-
- Proto-Indo-European*h₃édosder.?
- Frenchcellulose
- English(cell)ulose
- Englishlactulose
From lact- + (cell)ulose.
Full word history & related roots →Translations
Finnish laktuloosi
- laktuloosisynthetic disaccharide
French lactulose
- lactulosesynthetic disaccharide
German Lactulose
- Lactulosesynthetic disaccharide
Hungarian laktulóz
- laktulózsynthetic disaccharide
Cite this entry
APA
lactulose. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/lactulose
MLA
“lactulose.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lactulose. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “lactulose,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/lactulose.
Source: lactulose on Wiktionary, CC BY-SA 4.0.