noun🔗ShareAubierSapwood; the soft, newer wood in the trunk of a tree found between the bark and the hardened heartwood."The tree's alburnum was a pale yellow color, easily distinguished from the darker heartwood. "L'aubier de l'arbre était d'une couleur jaune pâle, facilement distinguable du bois de cœur plus foncé.plantmaterialnaturebiologystructureChat with AIVocabulary GamePractice Reading
