Word.ws English Dictionary

menaquinone

UK/ˌmɛn.əˈkwɪn.əʊn/US/ˌmɛn.əˈkwɪˌnoʊn/

menaquinone noun: a pale yellow crystalline naphthoquinone C₄₁H₅₆O₂ that is obtained especially from putrefied fish meal and produced by bacteria in the large intestine and essential for the blood-clotting process. It is much more unsaturated than vitamin K₁ and slightly less active biologically, and is an isoprenoid derivative of menadione.

menaquinone: a pale yellow crystalline naphthoquinone C₄₁H₅₆O₂ that is obtained especially from putrefied fish...
Image: NEUROtiker, Public domain, via Wikimedia Commons

Noun

menaquinone (plural menaquinones)

  1. A pale yellow crystalline naphthoquinone C₄₁H₅₆O₂ that is obtained especially from putrefied fish meal and produced by bacteria in the large intestine and essential for the blood-clotting process. It is much more unsaturated than vitamin K₁ and slightly less active biologically, and is an isoprenoid derivative of menadione.
    Synonyms:
    vitamin K2

Synonyms of menaquinone

Forms of menaquinone

pluralmenaquinones

Origin of menaquinone

From me(thyl) + na(phtho)quinone.

Questions about menaquinone

What does menaquinone mean?
Menaquinone means a pale yellow crystalline naphthoquinone C₄₁H₅₆O₂ that is obtained especially from putrefied fish meal and produced by bacteria in the large intestine and essential for the blood-clotting process. It is much more unsaturated than vitamin K₁ and slightly less active biologically, and is an isoprenoid derivative of menadione.
What part of speech is menaquinone?
Menaquinone is a noun.
How do you pronounce menaquinone?
Menaquinone is pronounced /ˌmɛn.əˈkwɪn.əʊn/ (UK).
What is the plural of menaquinone?
The plural of menaquinone is menaquinones.

Words near menaquinone in the dictionary

  1. Menapian
  2. Menapii
  3. MENAPT
  4. menaquinol
  5. menaquinols
  6. menaquinone
  7. menaquinones
  8. menarchal
  9. menarche
  10. menarcheal
  11. menarched

Source and license

Adapted from Wiktionary: menaquinone (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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