kinin

noun
ki·​nin | \ ˈkī-nən How to pronounce kinin (audio) \

Definition of kinin

1 : any of various polypeptide hormones that are formed locally in the tissues and cause dilation of blood vessels and contraction of smooth muscle
2 : cytokinin

First Known Use of kinin

1954, in the meaning defined at sense 1

History and Etymology for kinin

Greek kinein to move, stimulate + English -in entry 1 — more at -kinesis

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Cite this Entry

“Kinin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kinin. Accessed 24 Jul. 2021.

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More Definitions for kinin

kinin

noun
ki·​nin | \ ˈkī-nən How to pronounce kinin (audio) \

Medical Definition of kinin

1 : any of various polypeptide hormones that are formed locally in the tissues and cause dilation of blood vessels and contraction of smooth muscle
2 : cytokinin

More from Merriam-Webster on kinin

Britannica.com: Encyclopedia article about kinin

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