popper Meaning, Definition & Usage

  1. 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)
    Karl Popper; Sir Karl Raimund Popper.
  2. noun a container of stimulant drug (amyl nitrate or butyl nitrite)
  3. noun a container for cooking popcorn

WordNet

Pop"per noun
Definitions
  1. A utensil for popping corn, usually a wire basket with a long handle.
Pop"per noun
Definitions
  1. A dagger. Obs. Chaucer.

Webster 1913