noun
- A fat-soluble vitamin that prevents rickets.
- synonyms: vitamin D, calciferol, viosterol, ergocalciferol, cholecalciferol, D
- The cardinal number that is the product of one hundred and five.
- synonyms: five hundred, 500, D
- The 4th letter of the Roman alphabet.
- A radioactive transuranic element.
- synonyms: darmstadtium, element 110, atomic number 110
- The bureau in the State Department that is responsible for the security of diplomats and embassies overseas.
- synonyms: Bureau of Diplomatic Security
- An honorary degree in science.
- synonyms: Doctor of Science, ScD
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). ds. Retrieved September 20, 2026, from http://smartdefine.org/ds/definitions/1327342 |
| Chicago | WordNet. 2010. "ds" http://smartdefine.org/ds/definitions/1327342 (accessed September 20, 2026). |
| Harvard | WordNet 2010, ds, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/ds/definitions/1327342>. |
| MLA | WordNet. "ds" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/ds/definitions/1327342> |