treater

Noun

 * 1) One who or that which treats.
 * 2) A vessel used to treat oil-water emulsions by any of several mechanisms so that the oil can be accepted by the pipeline or transport.
 * 1) A vessel used to treat oil-water emulsions by any of several mechanisms so that the oil can be accepted by the pipeline or transport.

Related terms

 * heat treater
 * trick-or-treater