[ lig-nuh-fahy ]
/ ˈlɪg nəˌfaɪ /

verb (used with object), lig·ni·fied, lig·ni·fy·ing.

to convert into wood; cause to become woody.

verb (used without object), lig·ni·fied, lig·ni·fy·ing.

to become wood or woody.

Origin of lignify

First recorded in 1820–30; ligni- + -fy

Related forms

lig·ni·fi·ca·tion, nounun·lig·ni·fied, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lignified

British Dictionary definitions for lignified


/ (ˈlɪɡnɪˌfaɪ) /

verb -fies, -fying or -fied

botany to make or become woody as a result of the deposition of lignin in the cell walls

Derived Forms

lignification, noun
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

Science definitions for lignified


[ lĭgnə-fī′ ]

To make or become stiffer and stronger by the deposition of lignin.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.