noun
- British philosopher (born in Austria) who argued that scientific theories can never be proved to be true, but are tested by attempts to falsify them (1902-1994.
- synonyms: Karl Popper, Sir Karl Raimund Popper
- A container of stimulant drug (amyl nitrate or butyl nitrite. )
- A container for cooking popcorn. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). popper. Retrieved September 21, 2026, from http://smartdefine.org/popper/definitions/1322999 |
| Chicago | WordNet. 2010. "popper" http://smartdefine.org/popper/definitions/1322999 (accessed September 21, 2026). |
| Harvard | WordNet 2010, popper, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/popper/definitions/1322999>. |
| MLA | WordNet. "popper" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/popper/definitions/1322999> |