noun
- A classification system where entries are arranged based on some hierarchical structure. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hierarchical classification system. Retrieved September 21, 2026, from http://smartdefine.org/hierarchical_classification_system/definitions/1214032 |
| Chicago | WordNet. 2010. "hierarchical classification system" http://smartdefine.org/hierarchical_classification_system/definitions/1214032 (accessed September 21, 2026). |
| Harvard | WordNet 2010, hierarchical classification system, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/hierarchical_classification_system/definitions/1214032>. |
| MLA | WordNet. "hierarchical classification system" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/hierarchical_classification_system/definitions/1214032> |