- a putamen or stone, especially when there are several in a single fruit; a nutlet.
Origin of pyrene1
1830–40; < New Latin pȳrēna < Greek pȳrḗn fruit stone
- a polycyclic, aromatic crystalline hydrocarbon, C16H10, consisting of four fused benzene rings, found in coal tar and believed to be carcinogenic.
Origin of pyrene2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pyrene
Pyrene, a fountain in Corinth, consecrated also to the Muses.
Pyrene, Pyrena, a seed-like nutlet or stone of a small drupe.The Elements of Botany
Have Pyrene convenient—but not too convenient to spoil the fun.Perfect Behavior
Donald Ogden Stewart
Farther on the hero came upon another monster in his way—Cycnus, the son of Mars and Pyrene.
Pyrene, a crystalline substance obtained from coal tar, fats, &c.The Nuttall Encyclopaedia
Edited by Rev. James Wood
- a solid polynuclear aromatic hydrocarbon extracted from coal tar. Formula: C 16 H 10
C19: from pyro- + -ene
- botany any of several small hard stones that occur in a single fruit and contain a single seed each
C19: from New Latin pyrena, from Greek purēn