vitamin K

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vitamin K

Where it comes from

Named 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.

noun

uncountable Any of several related fat-soluble vitamins, found in leafy green vegetables, essential for blood clotting.
slang, uncountable The drug ketamine.

Translations

Every language

noun any of a number of fat-soluble vitamins

한국어	비타민 K bitamin K
日本語	ビタミンK bitamin K
中文	維生素K /维生素K wéishēngsù K, 維他命K /维他命K wéitāmìng K
Kiswahili	vitamini K

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MLA

"vitamin K." Wiktionary, via Micwyn, micwyn.com/word/vitamin%20k. Accessed 6 Nov. 2026.

APA

vitamin K. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/vitamin%20k

Chicago

"vitamin K." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/vitamin%20k.

BibTeX

@misc{vitamin_k_2026,
  title = {vitamin K},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/vitamin%20k},
  urldate = {2026-11-06}
}