refiner

noun

Etymology: Etymology tree English refine Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English refiner From refine + -er.

1. One who, or that which, refines.

   “The average motorist will not see much, if any, difference in gasoline pump price but oil producers and Gulf Coast refiners expect profits to improve.”

   “You can think of a search refiner as a filter. Your search for a broad topic might return hundreds of possible results. The refiner allows you to filter this information down based on the configured criteria.”