adj.
Having two or more atomic rings in a molecule.
polycyclic
Dictionary:
pol·y·cy·clic (pŏl'ĭ-sī'klĭk, -sĭk'lĭk)  |
| 5min Related Video: polycyclic |
| Chemistry Dictionary: polycyclic |
Denoting a compound that has two or more rings in its molecules. Polycyclic compounds may contain single rings (as in phenylbenzene, C6H5.C6H5) or fused rings (as in naphthalene, C10H8).
| Veterinary Dictionary: polycyclic |
Having two or more usually fused chemical ring structures in their molecule.
- p. hydrocarbons — thyroid initiators, i.e. they increase the incidence of thyroid tumors.
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 | spiran (organic chemistry) |
| acene (organic chemistry) |
| 3,4-benzpyrene (organic chemistry) |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Chemistry Dictionary. A Dictionary of Chemistry. Sixth Edition. Copyright © Market House Books Ltd, 2008. All rights reserved. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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Mentioned in
- spiran (organic chemistry)
- acene (organic chemistry)
- 3,4-benzpyrene (organic chemistry)
- cubane (organic chemistry)
- von Baeyer nomenclature
- polycyclic aromatic hydrocarbon
- squalene (biochemistry)
- polynuclear hydrocarbon (organic chemistry)
- biodiesel (material – in chemistry, mechanics)
- Hantz-Widman system
- Organic nomenclature (organic chemistry)
- Automotive Emissions
- Clathrate compounds
- Combustion
