pyrene

noun (1)
py·rene | \ ˈpīˌrēn \
plural -s

Definition of pyrene 

(Entry 1 of 2)

: the stone of a drupelet (as in the fruit of the huckleberry) broadly : a small hard nutlet

pyrene

noun (2)
py·rene | \ ˈpīˌrēn \
plural -s

Definition of pyrene (Entry 2 of 2)

: a pale yellow crystalline hydrocarbon C16H10 that fluoresces blue in solution, that is obtained from coal-tar distillation, from petroleum cracking, and from stupp and is also made synthetically, and that consists structurally of a cluster of four compactly fused benzene rings

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for pyrene

Noun (1)

New Latin pyrena

Noun (2)

pyr- + -ene

Keep scrolling for more

Learn More about pyrene

Statistics for pyrene

Look-up Popularity

Comments on pyrene

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

WORD OF THE DAY

characteristic trappings or dress

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!