noun
- One part in a trillion equal parts.
- synonyms: one-trillionth
adjective
- The ordinal number of one trillion in counting order. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). trillionth. Retrieved September 20, 2026, from http://smartdefine.org/trillionth/definitions/1185758 |
| Chicago | WordNet. 2010. "trillionth" http://smartdefine.org/trillionth/definitions/1185758 (accessed September 20, 2026). |
| Harvard | WordNet 2010, trillionth, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/trillionth/definitions/1185758>. |
| MLA | WordNet. "trillionth" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/trillionth/definitions/1185758> |