Usually means: Polycyclic aromatic hydrocarbon with fluorescence.
Definitions Related words Mentions History
We found 23 dictionaries that define the word pyrene:

General (19 matching dictionaries)
  1. pyrene: Merriam-Webster
  2. Pyrene, pyrene: Oxford Learner's Dictionaries
  3. pyrene: American Heritage Dictionary of the English Language
  4. pyrene: Collins English Dictionary
  5. pyrene: Vocabulary.com
  6. pyrene: Wordnik
  7. pyrene: Wiktionary
  8. pyrene: Webster's New World College Dictionary, 4th Ed.
  9. pyrene: Infoplease Dictionary
  10. Pyrene, pyrene: Dictionary.com
  11. Pyrene (disambiguation), Pyrene (gastropod), Pyrene (mythology), Pyrene: Wikipedia, the Free Encyclopedia
  12. Pyrene: Online Plain Text English Dictionary
  13. pyrene: Webster's Revised Unabridged, 1913 Edition
  14. pyrene: Rhymezone
  15. Pyrene: AllWords.com Multi-Lingual Dictionary
  16. pyrene: FreeDictionary.org
  17. pyrene: The Phrontistery - A Dictionary of Obscure Words
  18. pyrene: Mnemonic Dictionary
  19. pyrene: TheFreeDictionary.com

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

Science (2 matching dictionaries)
  1. Botanical Terms (No longer online)
  2. Flora of New South Wales (No longer online)

Tech (1 matching dictionary)
  1. Chemical Fact Sheet (No longer online)

(Note: See pyrenes as well.)

Definitions from Wiktionary (pyrene)

noun:  (chemistry) A polycyclic aromatic hydrocarbon containing four fused benzene rings; first isolated from coal tar
adjective:  (relational, obsolete) Of or pertaining to the Pyrenees, a range of mountains separating France and Spain; Pyrenean.
noun:  (botany) Alternative form of pyrena [(botany) A nutlet resembling a seed, or the kernel/stone of a drupe.]

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