Popper - Definition
popper
n 1: 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) [syn:
Popper, Karl Popper, Sir Karl Raimund Popper]
2: a container of stimulant drug (amyl nitrate or butyl nitrite)
3: a container for cooking popcorn