Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The thickening matter of woody cells; lignin.
from the GNU version of the Collaborative International Dictionary of English
- n. The thickening matter of woody cells; lignin.
from The Century Dictionary and Cyclopedia
- n. In botany, the lignifying matter which is deposited on the inner surface of the cells of some plants, contributing to their thickness, as in the shell of the walnut; lignin.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Ancient Greek hard + -gen.
Examples
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In many plants -- such as trees -- in a certain stage of development, the substance lining the cells is very hard, and is termed _lignin_, or _sclerogen_.
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The results of this inquiry are of importance, seeing that they clearly prove that even the hardest kind of cellulose -- _sclerogen_, in fact -- is capable of being assimilated by the
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