noun🔗ShareLigninA complex non-carbohydrate aromatic polymer present in all wood."The brown color of cardboard comes from the lignin that remains in the wood pulp used to make it. "Die braune Farbe von Pappe stammt von dem Lignin, das in dem zur Herstellung verwendeten Holzstoff verbleibt.substancematerialchemistryplantbiologybiochemistrycompoundagriculturescienceChat with AIVocabulary GamePractice Reading
