ଅର୍ଥ : 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).
ସମକକ୍ଷ : karl popper, sir karl raimund popper
ଅର୍ଥ : A container of stimulant drug (amyl nitrate or butyl nitrite).
ଅର୍ଥ : A container for cooking popcorn.