Pyrene

Pyrene, a crystalline substance obtained from coal tar, fats, &c.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Pyramus and Thisbe * Pyrenees
Pushtoo
Puteaux
Putney
Puy, Le
Puy-du-Dôme
Pygmalion
Pygmies
Pym, John
Pyramids
Pyramus and Thisbe
Pyrene
Pyrenees
Pyroxyline
Pyrrha
Pyrrhic Dance
Pyrrho
Pyrrhonism
Pyrrhus
Pyrrhus
Pythagoras
Pythagoreans