pyridine

noun
pyr·​i·​dine | \ ˈpir-ə-ˌdēn How to pronounce pyridine (audio) \

Definition of pyridine

: a toxic water-soluble flammable liquid base C5H5N of pungent odor that is the parent of many naturally occurring organic compounds and is used as a solvent and as a denaturant for alcohol and in the manufacture of pharmaceuticals and waterproofing agents

First Known Use of pyridine

1851, in the meaning defined above

History and Etymology for pyridine

pyr- + -ide + -ine entry 2

Keep scrolling for more

Learn More about pyridine

Time Traveler for pyridine

Time Traveler

The first known use of pyridine was in 1851

See more words from the same year

Statistics for pyridine

Cite this Entry

“Pyridine.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/pyridine. Accessed 7 December 2019.

Keep scrolling for more

More Definitions for pyridine

pyridine

noun
pyr·​i·​dine | \ ˈpir-ə-ˌdēn How to pronounce pyridine (audio) \

Medical Definition of pyridine

: a toxic water-soluble flammable liquid base C5H5N of pungent odor that is the parent of many naturally occurring organic compounds and is used as a solvent and a denaturant for alcohol and in the manufacture of pharmaceuticals (as antiseptics and antihistamines) and waterproofing agents

More from Merriam-Webster on pyridine

Britannica.com: Encyclopedia article about pyridine

Comments on pyridine

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

WORD OF THE DAY

the study of flags

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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!