vitamin K
Any of several related fat-soluble vitamins, found in leafy green vegetables,…Any of several related fat-soluble vitamins, found in leafy green vegetables, essential for blood clotting.
» Kiwifruit is a rich source of vitamin K and vitamin C.
Vanilla · Tatoeba · CC BY 2.0 FRMeaning
2 senses(uncountable)Any of several related fat-soluble vitamins, found in leafy green vegetables, essential for blood clotting.
a fat-soluble vitamin that helps in the clotting of blood
(slang, uncountable)The drug ketamine.
Examples
1 sentencesKiwifruit is a rich source of vitamin K and vitamin C.
Translations
1 languagesOrigin
Named similarly to the other vitamins, that are named after their order of discovery. ThisNamed similarly to the other vitamins, that are named after their order of discovery. This one was assigned its "K" from Danish koagulation by the Danish researcher Henrik Dam. The sense that is a slang alias for ketamine is because of the initial letter of that drug's name, as also with the slang sense of Special K.
Wiktionary, CC BY-SA 4.0 · source
Synonyms
2 synonyms- a fat-soluble vitamin that helps in the clotting of blood:naphthoquinoneantihemorrhagic factor
Word family
1 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.