a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
a proposal intended to explain certain facts or observations
a percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance
a contract between two or more persons who agree to pool talent and money and share profits or losses
the members of a business venture created by contract
a cooperative relationship between people or groups who agree to share responsibility for achieving some specific goal; "effective language learning is a partnership between school, teacher and student"; "the action teams worked in partnership with the government"
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity