den·drit·ic \(ˈ)den|drid.ik\adjective alsoden·drit·i·cal\-d.ə̇kəl\ : resembling a dendrite : branching like a tree : arborescent < dendritic snow crystals > < dendritic pigment-bearing cells in the skin > < a dendritic drainage system > • den·drit·i·cal·ly\-d.ə̇k(ə)lē\adverb