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lactulose

/ˈlæk.t(j)ʊˌloʊs/noun

lactulose is spelled L-A-C-T-U-L-O-S-E: 9 letters and 3 syllables. It appears about once in every 30 million words in written English, the 165,739th most frequent word form (wordfreq, 2021 data). As a noun, lactulose means “A synthetic disaccharide C₁₂H₂₂O₁₁ consisting of galactose and fructose units, used as a laxative for chronic constipation and as an acidifier to…” (English Wiktionary, September 2026). The plural of lactulose is lactuloses.

How many letters and syllables are in lactulose?

Letters9: L-A-C-T-U-L-O-S-E
Syllables3 (from its pronunciation)
In writingabout once in every 30 million words; the 165,739th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is lactulose?

Lactulose appears about once in every 30 million words in written English, the 165,739th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce lactulose?

  • UK /ˈlak.tjʊ.ləʊz/
  • US /ˈlæk.t(j)ʊˌloʊs/

Lactulose has 3 syllables (counted from the pronunciation).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of lactulose

  • lactuloses plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does lactulose mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    A 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.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Lactulose in Spanish, French, German and Portuguese

In the sense synthetic disaccharide:

LanguageWords
Frenchlactulose
GermanLactulose

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does lactulose come from?

From lact- + (cell)ulose.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after lactulose