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Pyrene vs Pyrenae - What's the difference?

pyrene | pyrenae |

As nouns the difference between pyrene and pyrenae

is that pyrene is seed (of a fleshy fruit) while pyrenae is .

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

    • pyrenae

    English

    Noun

    (head)