Resembling amylum, or starch.n. In botany, a semi-gelatinous substance, analogous to starch, met with in some seeds, and becoming yellow in water after having been colored blue by iodine (Lindley); a member of the cellulose group of vegetable organic compounds, comprising cellulose, starch, gum, the sugars, etc.In pathology, noting a degenerative change characteristic of lardaceous disease (which see, under lardaceous).n. A precipitate obtained from a gelatinous solution of cotton which has been treated with concentrated sulphuric acid. Vegetable parchment is due to the partial transformation of the vegetable fibers into this substance.n. In pathology, same as lardacein.