'Lignification' definitions:
Definition of 'Lignification'
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Lignification \Lig`ni*fi*ca"tion\
(l[i^]g`n[i^]*f[i^]*k[=a]"sh[u^]n), n. [Cf. F. lignification.
See Lignify.] (Bot.)
A change in the character of a cell wall, by which it becomes
harder. It is supposed to be due to an incrustation of
lignin.
[1913 Webster]
