ligˈnin noun

A complicated mixture of substances deposited in the thickened cell walls of plants, making them rigid

ligniperˈdous adjective

(L perdere to destroy) destructive of wood

ligˈnite /-nīt/ noun

Brown coal, a stage in the conversion of vegetable matter into coal

lignitic /-nitˈik/ adjective

lignivˈorous adjective

(L vorāre to devour) feeding on wood

ligˈnose adjective

Ligneous

A constituent of lignin

lignocellˈulose noun

Any of several compounds of lignin and cellulose occurring in woody tissue

lignum vitae /vīˈtē, or ligˈnŭm wēˈtī or vēˈ/ noun

(L, wood of life) the wood of a tropical American genus of trees, Guaiacum