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porcupine
porcupine fish
porcupine provisions
pore (1)
pore (2)
pore fungus
porgy
poriferan
porin
pork
pork barrel
pork belly
pork rinds
pork scratchings
porker
porkpie hat
porky (1)
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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.
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