pyrene

1 of 2

noun (1)

py·​rene
ˈpīˌrēn
plural -s
: the stone of a drupelet (as in the fruit of the huckleberry)
broadly : a small hard nutlet

pyrene

2 of 2

noun (2)

py·​rene
ˈpīˌrēn
plural -s
: 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

Word History

Etymology

Noun (1)

New Latin pyrena

Noun (2)

pyr- + -ene

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!

Dictionary Entries Near pyrene

Cite this Entry

“Pyrene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrene. Accessed 15 Jun. 2024.

Love words? Need even more definitions?

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