say it: SEP-uh-ray-tur
separator is a noun meaning "an apparatus that uses centrifugal force to separate particles from a suspension". It carries one recorded sense.
an apparatus that uses centrifugal force to separate particles from a suspension
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for separator come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.