Definitions
from The Century Dictionary.
- noun A hydrocarbon (C15H12) obtained from coaltar.
- noun A stone or putamen, properly when there are several in a single fruit, as in the huckleberry and other berry-like drupes, and in some pomes with a stony endocarp, as those of the hawthorn and medlar; a nutlet. Also
ossiculus .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) Same as
pyrena . - noun (Chem.) One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun botany the
stone of adrupe - noun chemistry A
polycyclic aromatic hydrocarbon containing four fusedbenzene rings; first isolated fromcoal tar
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
- noun the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Lange, “Presentation of Benzo(a)pyrene to Microsomal Enzymes by Asbestos Fibers in the Salmonella/Mammalian Microsome Mutagenicity Test,” Environmental Health Perspectives 51 (1983): 337–41.
The Emperor of All Maladies Siddhartha Mukherjee 2010
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Lange, “Presentation of Benzo(a)pyrene to Microsomal Enzymes by Asbestos Fibers in the Salmonella/Mammalian Microsome Mutagenicity Test,” Environmental Health Perspectives 51 (1983): 337–41.
The Emperor of All Maladies Siddhartha Mukherjee 2010
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For example, the limit in fish of the PAH named benzo (a) pyrene is 35 parts per billion.
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Lange, “Presentation of Benzo(a)pyrene to Microsomal Enzymes by Asbestos Fibers in the Salmonella/Mammalian Microsome Mutagenicity Test,” Environmental Health Perspectives 51 (1983): 337–41.
The Emperor of All Maladies Siddhartha Mukherjee 2010
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One study measured the ability of vegetables to suppress the cancer-causing genetic damage of various environmental toxins, including benzo (a) pyrene (BaP) which is the main cancer-causing chemical in cigarette smoke and auto exhaust.
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With Berenblum, she published on the carcinogenecity of 3,4-benzo (a) pyrene, including in Cancer Research.
Regina Schoental. 2009
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This increase is mainly caused by an increase in particulates, nitrogen dioxide and benzo (a) pyrene.
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In Russia, the number of cities with concentrations of benzo (a) pyrene over maximum allowable concentration has increased in the last five years, reaching 47 per cent in 2004.
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The propose the work as proof-of-concept, but use a very artificial data set of only 12 crystal structures benzene and eleven polycyclic aromatic hydrocarbons, like naphtalene, anthracene, phenanthrene, triphenylene, pyrene, perylene, and coronene.
Automatic Classification of thousands of Crystal Structures Egon Willighagen 2007
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The propose the work as proof-of-concept, but use a very artificial data set of only 12 crystal structures benzene and eleven polycyclic aromatic hydrocarbons, like naphtalene, anthracene, phenanthrene, triphenylene, pyrene, perylene, and coronene.
Archive 2007-08-01 Egon Willighagen 2007
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