pyrene
1
[ pahy-reen, pahy-reen ]
/ ˈpaɪ rin, paɪˈrin /
noun Botany.
a putamen or stone, especially when there are several in a single fruit; a nutlet.
Origin of pyrene
1
1830–40; < New Latin
pȳrēna < Greek
pȳrḗn fruit stone
Words nearby pyrene
pyrazole,
pyrazoline,
pyrazolone,
pyrazolone dye,
pyre,
pyrene,
pyrenean,
pyrenean mountain dog,
pyrenees,
pyrenocarp,
pyrenoid
Definition for pyrene (2 of 2)
pyrene
2
[ pahy-reen ]
/ ˈpaɪ rin /
noun Chemistry.
a polycyclic, aromatic crystalline hydrocarbon, C16H10, consisting of four fused benzene rings, found in coal tar and believed to be carcinogenic.
Example sentences from the Web for pyrene
British Dictionary definitions for pyrene (1 of 2)
pyrene
1
/ (ˈpaɪriːn) /
noun
a solid polynuclear aromatic hydrocarbon extracted from coal tar. Formula: C 16 H 10
Word Origin for pyrene
C19: from
pyro- +
-ene
British Dictionary definitions for pyrene (2 of 2)
pyrene
2
/ (ˈpaɪriːn) /
noun
botany
any of several small hard stones that occur in a single fruit and contain a single seed each
Word Origin for pyrene
C19: from New Latin
pyrena, from Greek
purēn