PYRENE - Definition

Webster's 1913 Dictionary

	Definition:	\Py"rene\, n. [Gr. ? fire.] (Chem.) One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, {C16H10}. \Py"rene\, n. (Bot.) Same as {Pyrena}.

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Biology Dictionary

	Definition:	The 'stone' (endocarp plus seed) of a succulent fruit. Compare berry, drupe.