Pyrene

Pyrene is a polycyclic aromatic hydrocarbon (PAH) consisting of four fused benzene rings, resulting in a flat aromatic system. The chemical formula is {chem|C|16|H|10}. This colorless solid is the smallest peri-fused PAH (one where the rings are fused through more than one face). Pyrene forms during incomplete combustion of organic compounds. ==Oc...
Found on http://en.wikipedia.org/wiki/Pyrene

Pyrene

• (n.) Same as Pyrena. • (n.) One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10.
Found on http://thinkexist.com/dictionary/meaning/pyrene/

pyrene

<botany> The 'stone' (endocarp plus seed) of a succulent fruit. ... Compare: berry, drupe. ... (09 Oct 1997) ...
Found on http://www.encyclo.co.uk/local/20973

pyrene

noun the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it
Found on https://www.encyclo.co.uk/local/20974

Pyrene

[gastropod] Pyrene is a genus of small sea snails, marine gastropod mollusks in the family Columbellidae. Species within the genus Pyrene include: ...
Found on http://en.wikipedia.org/wiki/Pyrene_(gastropod)

Pyrene

Py'rene noun [ Greek ... fire.] (Chemistry) One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C 16 H 10 .
Found on http://www.encyclo.co.uk/webster/P/203

pyrene

Fleshy fruit with each seed surrounded by a bony endocarp, as in Ilex
Found on http://www.virtualherbarium.org/glossary/glossary.php?cid=65

pyrene

fruit-stone
Found on http://phrontistery.info/p.html

pyrene

the stone of a drupe, consisting of the seed surrounded by the hardened endocarp.
Found on http://en.wikipedia.org/wiki/Glossary_of_botanical_terms
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