This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. One who precipitates, or urges on with vehemence or rashness.

n. A person who, or device that, carries out precipitation.

n. An apparatus which removes dust particles from gases by electrostatic precipitation.

n. One who precipitates, or urges on with vehemence or rashness.

n. One who precipitates; especially, one who urges on with undue haste; one who rashly brings to pass.

n. That which brings about the precipitation or downfall of atmospheric moisture.

n. That which causes or favors chemical precipitation; an apparatus for inducing precipitation.

n. removes dust particles from gases by electrostatic precipitation

"The demographic make up of Iran is the most obvious precipitator of the reform movement's appeal and communication savviness with more than 70% of the 70 million population being under the age of 30."

electrical device