Go to MSN Homeencarta®
HomeEncyclopediaDictionariesWorld AtlasSchoolUniversityStudy CentreQuizzesMore
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
pythoness
pyuria
pyx
Pyxis
pyxis
pzazz
Q (1)
Q (3)
Q.
q (1)
q (2)
Q & A
Q-boat
q.e.
Q fever
q.i.d.
q.l.
Click to move down the list of words
Print Preview
See pronunciation key
Search for "pyrrole" in all of MSN Encarta
E-mail this entry
Download the MSN Encarta Right-Click Dictionary

pyrrole
pyrrole [ pírrōl ]


noun 
Definition:
 
naturally occurring chemical: a colourless toxic liquid compound containing carbon, hydrogen, and nitrogen. Source: biological substances such as chlorophyll, haemoglobin, and bile pigments. C4H5N
[Mid-19th century. < Greek purros 'fiery red' < pur 'fire']

pyrrolic [ pi róllik ] adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement

Also on Encarta
• Great Writing By Great Writers
• The Latest Top 10 Lists
• Encarta's Famous Quizzes
Also on MSN
• Entertainment on MSN: Top Movies
• MSN Careers: Job Hunting Made Easy
• Today's News on MSN
Encarta Message Boards (© Rubberball/Jupiterimages)
Encarta RSS Feeds
© 2008 Microsoft