sep·​a·​ra·​tor | \ ˈse-pə-ˌrā-tər How to pronounce separator (audio) , ˈse-ˌprā-tər\

Definition of separator

: one that separates especially : a device for separating liquids of different specific gravities (such as cream from milk) or liquids from solids

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Examples of separator in a Sentence

the toddler insisted on a dinner plate with separators so that different foods would never touch one another

Recent Examples on the Web

When collecting platelets for a transfusion, a donor's blood is drawn into an apheresis cell separator machine, which extracts platelets and returns the rest of the blood into the donor, according to the American Red Cross. Susan Scutti, CNN, "CDC investigates after 4 patients got sepsis from contaminated platelet transfusions," 13 June 2019 Weather’s makeup proved another separator as the Padres’ lined up their board. Jeff Sanders,, "Ryan Weathers bringing big league pedigree to Padres organization," 4 June 2018 Their playoff push last year, securing a first-round bye after the worst start in franchise history, is the biggest separator from a Toronto club that couldn’t answer the MLS bell after nearly winning the CONCACAF Champions League final over Chivas. Geoff Baker, The Seattle Times, "A rivalry of champions once again has Sounders and Toronto FC on a collision course," 12 Apr. 2019 With multiple tabs open, the tab background switches to a light gray, and background tabs only get vertical separators rather than distinct tab shapes. Ron Amadeo, Ars Technica, "A look at Chrome’s new tab design," 14 July 2018 Some predictive cards also have a colored separator line with an icon in the middle. Ron Amadeo, Ars Technica, "Review: Google’s Wear OS 2.0 can’t fix its obsolete smartwatch hardware," 28 Sep. 2018 Battery manufacturers also put separators between the two sides of the battery to keep them from touching. Angela Chen, The Verge, "The best solution for making batteries safer might be the most boring one," 13 Aug. 2018 Both the basket and separator are dishwasher safe, making cleanup a breeze. Betty Gold, Good Housekeeping, "The 5 Best Air Fryers for Making Crispy Comfort Foods So Much Healthier," 20 Nov. 2018 If the separators malfunction, which is what happened in the Samsung case, energy is redirected to the electrolytes and that, too, leads to fire. Angela Chen, The Verge, "The best solution for making batteries safer might be the most boring one," 13 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'separator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of separator

1607, in the meaning defined above

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Statistics for separator

Last Updated

18 Jun 2019

Look-up Popularity

Time Traveler for separator

The first known use of separator was in 1607

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More Definitions for separator



English Language Learners Definition of separator

: someone or something that separates two or more things from each other


sep·​a·​ra·​tor | \ ˈsep-(ə-)ˌrāt-ər How to pronounce separator (audio) \

Medical Definition of separator

: one that separates: as
a : a device for separating liquids of different specific gravities (as cream from milk) or liquids from solids
b : a dental appliance for separating adjoining teeth to give access to their surfaces

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More from Merriam-Webster on separator

Rhyming Dictionary: Words that rhyme with separator

Thesaurus: All synonyms and antonyms for separator

Nglish: Translation of separator for Spanish Speakers

Comments on separator

What made you want to look up separator? Please tell us where you read or heard it (including the quote, if possible).


having a desire to acquire more things

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