| Vasculose (n.) One of the substances of which vegetable tissue is composed, differing from cellulose in its solubility in certain media. |
| lignin a complex polymer, the chief constituent of wood other than carbohydrates, binds to cellulose fibers to harden and strengthen cell walls of plants |
| unclean / impure having a physical or moral blemish so as to make impure according to dietary or ceremonial laws, "unclean meat", "and the swine...is unclean to you"-Leviticus : |
| impure (used of persons or behaviors) immoral or obscene, "impure thoughts" |
| impure combined with extraneous elements |