ergosterol

E1R1G2O1S1T1E1R1O1L1

noun

The steroid precursor of vitamin D₂. It is found in cell membranes of fungi, and is their functional equivalent of cholesterol. It is also found in the membranes of some protists.

UncommonScrabble 11

Meanings

nounergosterol (countable and uncountable, plural ergosterols)

plural ergosterols

  1. countableuncountablesteroidsbiochemistryThe steroid precursor of vitamin D₂. It is found in cell membranes of fungi, and is their functional equivalent of cholesterol. It is also found in the membranes of some protists.

    Terbinafine has a unique mechanism of action among the antifugal agents (Petranyi et al, 1984; Balfour and Faulds, 1992), inhibiting the synthesis of ergosterol, a key sterol component in the plasma membrane of the fungal cell.

    2003, Peter G. Pappas, “Terbinafine”, in William E. Dismukes, Peter G. Pappas, Jack D. Sobel, editors, Clinical Mycology, Oxford University Press, →ISBN, page 104

Synonyms & antonyms

Also see

Origin

  1. Frenchergot
  2. Englishergosterol

From French ergot + sterol.

Full word history & related roots →

Translations

Catalan ergosterol
  • ergosterolsteroid precursor of vitamin D2
Chinese Mandarin 麥角固醇 /麦角固醇
  • 麥角固醇 /麦角固醇 (màijiǎo gùchún)steroid precursor of vitamin D2
Finnish ergosteroli
  • ergosterolisteroid precursor of vitamin D2
French ergostérol
  • ergostérolsteroid precursor of vitamin D2
German Ergosterin, Ergosterol
  • Ergosterinsteroid precursor of vitamin D2
  • Ergosterolsteroid precursor of vitamin D2
Hindi कवकसांद्रव
  • कवकसांद्रव (kavaksāndrav)steroid precursor of vitamin D2
Italian ergosterolo
  • ergosterolosteroid precursor of vitamin D2
Portuguese ergosterol
  • ergosterolsteroid precursor of vitamin D2
Romanian ergosterol
  • ergosterolsteroid precursor of vitamin D2
Spanish ergosterol
  • ergosterolsteroid precursor of vitamin D2
Cite this entry
APA

ergosterol. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ergosterol

MLA

“ergosterol.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ergosterol. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “ergosterol,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ergosterol.

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