monoester

mon·o·es·ter
M3O1N1O1E1S1T1E1R1
UK/ˌmɒnəʊˈɛstə/US/ˈmɑnoʊˌɛstɚ/

noun

An ester of a polyhydric alcohol or a polycarboxylic acid containing only a single ester group.

UncommonScrabble 11

Meanings

nounmonoester (plural monoesters)

plural monoesters

  1. chemistryAn ester of a polyhydric alcohol or a polycarboxylic acid containing only a single ester group.

    Twenty healthy individuals participated in the study and on two occasions consumed the ketone monoester supplement or a placebo after a 10-hour fast.

    2018 February 14, “Ketone drink could help diabetics by lowering blood sugar”, in Voxy.co.nz, archived from the original on 14 Feb 2018
    2 more examples

    Frederick B. Power and Frank Tutin have experimentally confirmed the observations of Carré, that at temperatures above 110° the interaction between phosphoric acid and glycerole results in the production of varying amounts of diester accompanying the monoester or glycerophosphoric acid.

    1905, “Progress in Pharmacy”, in The American Journal of Pharmacy, page 287

    For example, hydrolysis of diesters (Fig. 1) separated by a long methylene chain exhibits equal rate constants at each site (k₁ = k₂), which sets an upper limit of 36.8% for the yield of the monoester.

    2016 May 22, Qixun Shi et al., “Water-soluble cavitands promote hydrolyses of long-chain diesters”, in Proceedings of the National Academy of Sciences of the United States of America, volume 113, number 33, →DOI, page 9199

Origin

  1. Proto-Indo-European*men-
  2. Proto-Hellenic*mónwos
  3. Ancient Greekμόνος (mónos)
  4. Ancient Greekμονο- (mono-)
  5. Englishmono-
  6. Proto-Indo-European*h₂eḱ-
  7. Proto-Indo-European*h₂eḱéh₁yeti
  8. Proto-Italic*akēō
  9. Latinaceō
  10. Latinacēscō
  11. Latinacētum
  12. Proto-West Germanic*aket
  13. Proto-West Germanic*atek
  14. Old High Germaneȥȥih
  15. Middle High Germaneȥȥich
  16. GermanEssich
  17. GermanEssig
  18. Proto-Indo-European*h₂eydʰ-
  19. Proto-Hellenic*áitʰō
  20. Ancient Greekαἴθω (aíthō)
  21. Ancient Greekᾱ̓ήρ (āḗr)influ.?
  22. Ancient Greekαἰθήρ (aithḗr)
  23. Latinaethēr
  24. GermanÄther
  25. GermanEster
  26. Englishester
  27. Englishmonoester

From mono- + ester.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry
APA

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

MLA

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

Chicago

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

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