- 1. n. One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10. Source: opted
- 2. n. Same as Pyrena. Source: opted
- 3. n. a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar Source: wordnet
- 4. n. the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it Source: wordnet
- 5. One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10. Same as Pyrena. Source: webster
- 6. One of the less volatile hydrocarbons of coal tar, obtained asa white crystalline substance, C16H10. Source: adambom
- 7. n. a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar n. the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it Source: ecdict
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pyrene
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coalcrystallinetarhardhydrocarbonslessobtainedsubstancevolatilewhitepyrenadrupedrupeletendocarpextractedhydrocarbonnutletpaleseedsmallsurroundsyellowasa