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a combining form meaning “wood,” used in the formation of compound words:
Also, ligno-; especially before a vowel, lign-.
Origin of ligni-
< Latin, combining form representing lignum wood Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for ligni-


combining form
indicating wood: lignocellulose
Word Origin
from Latin lignum wood
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ligni-

word-forming element meaning "wood," from Latin lignum "wood, firewood," from PIE *leg-no-, literally "that which is collected," from root *leg- "to collect" (see lecture (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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