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Pyrena vs Pyrene - What's the difference?

pyrena | pyrene |

As nouns the difference between pyrena and pyrene

is that pyrena is (botany) a nutlet resembling a seed, or the kernel of a drupe while pyrene is seed (of a fleshy fruit).

pyrena

English

Noun

(pyrenae)
  • (botany) A nutlet resembling a seed, or the kernel of a drupe
  • * 1848 , Samuel Frederick Gray, Gray's Supplement to the Pharmacopoeia
  • Anagrams

    *

    pyrene

    English

    (wikipedia pyrene)

    Etymology 1

    From .

    Noun

    (en noun)
  • (chemistry) A polycyclic aromatic hydrocarbon containing four fused benzene rings; first isolated from coal tar
  • Derived terms
    * polypyrene * pyrenic

    Etymology 2

    From (etyl) .

    Noun

    (en noun)
  • (botany) the stone of a drupe