Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
pyroelectricity
pyrogallol
pyrogen
pyrogenic
pyrography
pyroligneous acid
pyrolusite
pyrolysate
pyrolyse
pyrolysis
pyrolyze
pyromancy
pyromania
pyrometallurgy
pyrometer
pyromorphite
pyrone
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

pyrimidine

py·rim·i·dine [ pī rímmi dn, pi rímmi dn ] (plural py·rim·i·dines)


noun 
Definition:
 
1. crystalline organic compound: a nitrogenous base with a six-sided ring structure

2. pyrimidine derivative: a biologically significant derivative of pyrimidine, especially the bases cytosine, thymine, and uracil found in RNA and DNA

[Late 19th century. <pyridine + imide]
Advertisement

© 2009 Microsoft