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Plural of pilus.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -lis
1. (Plants) a burseraceous Philippine tree, Canarium ovatum, with edible seeds resembling almonds
2. (Plants) Also called: pilinut the seed of this tree
pl n, sing pilus (ˈpaɪləs)
(Microbiology) bacteriol short curled hairlike processes on the surface of certain bacteria that are involved in conjugation and the attachment of the bacteria to other cells
[C20: from Latin: hairs]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Biol. pl. of pilus.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.