1 a a stone or mineral with natural treelike or mosslike markings. b such marks on stones or minerals.
2 Chem. a crystal with branching treelike growth.
3 Zool. & Anat. a branching process of a nerve-cell conducting signals to a cell body.
Etymology: F f. Gk dendrites (adj.) f. dendron tree
Useful english dictionary. 2012.