Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pyrene

2 senses of pyrene

Sense 1
pyrene -- (a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar)
       => hydrocarbon -- (an organic compound containing only carbon and hydrogen)

Sense 2
pyrene -- (the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it)
       => nutlet -- (a small nut)