Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
porky (1)
porky (2)
porn
porn star
pornographic
pornography
porntoon
porosity
porous
porphyria
porphyrin
porphyritic
porphyry
porpoise
porridge
porringer
port (1)
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

porin
po·rin [ páwrən ] (plural po·rins)


noun 
Definition:
 
pore-forming protein: a doughnut-shaped protein that spans a membrane in living cells to create a channel for the passage of small molecules
[Late 20th century. <pore1]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft