1640s, agent noun from agitate (v.); originally "elected representative of the common soldiers in Cromwell's army," who brought grievances (chiefly over lack of pay) to their officers a [..]

A soldiers' representative in the New Model Army. The rank and file were the first to elect agitators but the officers followed suit later. When the army's General Council was formed in June [..]

A mechanical device used to maintain plasticity and to prevent segregation, particularly in concrete and mortar. See concrete

Motor-driven mixing arm in the bottom section of the shield in front of the suction pipe for stirring the excavated material mixed with bentonite suspension in Mixshields. It prevents material from settling and cohesive soil from becoming clogged in the shield bottom area in front of the grill and suction pipe.

A device or apparatus for stirring or shaking.

(n) one who agitates; a political troublemaker

Device used to cause motion in confined fluid.

A paint mixer.

<apparatus> This device is used to stir or shake up a mixture (impeller). The types generally used are flat blade, marine screw, turbine and variable pitch screw. (06 May 1997)

A device used to cause motion in confined fluids.

One who agitates; one who stirs up or excites others; as, political reformers. An implement for shaking or mixing. One of a body of men appointed by the army, in Cromwell's time, to look after t [..]

agitator