AGITATOR

s. agitador; abanderizador, alborotador, instigador, persona alborotosa, rebelde

agitador | agitadora (máquina)

Ex: It was similar to Dickinson's machine, but it had an agitator in the vat to prevent the fibres from being lined up parallel to each other by the action of the cylinder.

(n.) = agitador
Ex: It was similar to Dickinson's machine, but it had an agitator in the vat to prevent the fibres from being lined up parallel to each other by the action of the cylinder.