pyrene Meaning, Definition & Usage

  1. noun a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
  2. noun the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it

WordNet


Py"rene noun
Etymology
Gr. fire.
Definitions
  1. (Chem.) One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10.
Py"rene noun
Definitions
  1. (Bot.) Same as Pyrena.

Webster 1913