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separator

[sep-uh-rey-ter]
noun
  1. a person or thing that separates.
  2. any of various apparatus for separating one thing from another, as cream from milk, steam from water, or wheat from chaff.
  3. Electricity. a device that prevents metal contact between plates of opposite charge in a storage battery.
  4. Machinery. retainer1(def 3).
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Origin of separator

1600–10; < Late Latin sēparātor, equivalent to Latin sēparā(re) to separate + -tor -tor
Related formspre·sep·a·ra·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for separator

separator

noun
  1. a person or thing that separates
  2. a device for separating things into constituent parts, as milk into cream, etc
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Derived Formsseparatory, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for separator

n.

c.1600, "separatist," agent noun from separate (v.). As a mechanical device for separating, from 1831.

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Online Etymology Dictionary, © 2010 Douglas Harper