Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,913,929,269 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

pyran
(redirected from Pyrans)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
py·ran  (prn)
n.
Either of two isomeric compounds with the formula C5H6O, having a ring of five carbon atoms and one oxygen atom.

[pyrone, heterocyclic compound (pyr(o)- + -one) + -an.]

pyran [ˈpaɪræn paɪˈræn]
n
(Chemistry / Elements & Compounds) an unsaturated heterocyclic compound having a ring containing five carbon atoms and one oxygen atom and two double bonds. It has two isomers depending on the position of the saturated carbon atom relative to the oxygen
[from pyro- + -an]

pyran  (prn)
1. Any of a class of compounds having a ring of five carbon atoms and one oxygen atom and two double bonds. The pyran ring structure forms part of many organic compounds, especially sugars.
2. An unstable compound that is the simplest member of this class. Chemical formula: C5H6O.


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Add definition
Mentioned in?  References in periodicals archive?   Dictionary browser?   Full browser?
 
PYRANS borosilicate fire-resistant glass at Hangar 7 is opening up a new dimension of transparent architecture in a format previously unattained in frameless glazing: the fire-resistant glass separates the two fire-protection compartments over a floor height of up to 3.
 
 
 
Dictionary, Thesaurus, and Translations
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.