Look up: pyridine

1. Pyridine
   [data page] == Material Safety Data Sheet == The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions. MSDS is available from ...
   Found on http://en.wikipedia.org/wiki/Pyridine_(d
   
   
2. pyridine
   [n] - a toxic colorless flammable liquid organic base with a disagreeable odor
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. pyridine
   water-soluble flammable liquid heterocyclic base C5H5N that has a disagreeable odour, that is obtained by distillation of bone oil or now usu. as a by-product of cooking either by distillation of coal tar or by recovery from gas liquor, that is analogous to benzene in structure except that it contai...
   Found on http://www.mijnwoordenboek.nl/definition
   
   
4. Pyridine
   Pyr'i·dine noun [ From Greek ... fire.] (Physiol. Chem.) A nitrogenous base, C ₅ H ₅ N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colorless liquid with a peculia...
   Found on http://www.encyclo.co.uk/webster/P/203
   
   
5. pyridine
   <physiology> A nitrogenous base, C5H5N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colourless liquid with a peculiar pungent odour. It is the nucleus of a large number of organic substances, among which several vegetable alkaloid...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. pyridine
   noun a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
7. pyridine
   (pir´ĭ-dēn) 1. a toxic, colorless, liquid hydrocarbon usually derived from coal tar and used as a laboratory and industrial intermediate.
   Found on http://www.encyclo.co.uk/local/21001
   
   
8. Pyridine
   • (n.) A nitrogenous base, C5H5N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colorless liquid with a peculiar pungent odor. It is the nucleus of a large number of organic substances, among which several vegetable alkaloids, as nic...
   Found on http://thinkexist.com/dictionary/meaning
   
   
9. pyridine
   any of a class of organic compounds of the aromatic heterocyclic series characterized by a six-membered ring structure composed of five carbon atoms ... [1 related articles]
   Found on http://www.britannica.com/eb/a-z/p/137
   
   
10. Pyridine
    C5H5N Molar mass: 79.0999
    Found on http://www.convertunits.com/molarmass/Py
    
    
11. Pyridine
    Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one C-H group replaced by a nitrogen atom. The pyridine ring occurs in many important compounds, including azines and the vitamins niacin and pyridoxal. Pyridine was discov...
    Found on http://en.wikipedia.org/wiki/Pyridine
    
    
12. pyridine
    A colorless heterocyclic aromatic base with an unpleasant smell, found in bone oil and coal tar. Pyridine is used as a solvent and to denature grain alcohol (ethanol. Important derivatives are pyridoxine and niacin (see vitamin B complex.
    Found on http://www.daviddarling.info/encyclopedi
    
    
13. pyridine
    pyridine (pir'idēn) or azine (ăz'ēn) , C5H5N, colorless, flammable, toxic liquid with a putrid odor. It melts at -42°C and boils at 115.5°C. Chemically, it is a heterocyclic aromatic tertiary amine (see under amino group). Its molecule resembles that of benzene, one...
    Found on http://www.infoplease.com/ce6/sci/A08406
    
    
14. Pyridine
    Pyridine is a basic compound occurring in coal tar and in the oil obtained by the distillation of bones. It is the parent substance of a large number of derivatives, including some of the natural alkaloids, such as nicotine and piperine. Pyridine is sometimes used for denaturing alcohol, so as to render it unfit to drink.
    Found on http://www.probertencyclopaedia.com/brow
    
    
15. pyridine
    Type: Term Pronunciation: pir′i-dēn, -din Definitions: 1. A colorless volatile liquid of empyreumatic odor and burning taste, resulting from the dry distillation of organic matter containing nitrogen; used as an industrial solvent, in analytic chemistry, and for denaturing alcohol.
    Found on http://www.medilexicon.com/medicaldictio
    
    
16. pyridine
    Heterocyclic compound (see cyclic compounds). It is a liquid with a sickly smell and occurs in coal tar. It is soluble in water, acts as a strong base, and is used as a solvent, mainly in the manufacture of plastics
    Found on http://www.talktalk.co.uk/reference/ency