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