kinin

noun
ki·nin | \ˈkī-nən \

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

Keep scrolling for more

Learn More about kinin

Statistics for kinin

Look-up Popularity

Time Traveler for kinin

The first known use of kinin was in 1954

See more words from the same year

Keep scrolling for more

More Definitions for kinin

kinin

noun
ki·nin | \ˈkī-nən \

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

Comments on kinin

What made you want to look up kinin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

lying above or upon

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!