sep·​a·​ra·​tor | \ˈse-pə-ˌrā-tər, 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

Strain pan drippings into a fat separator (or measuring cup). Woman's Day Test Kitchen, Woman's Day, "Rosemary Roasted-Turkey Gravy," 24 Oct. 2018 Strain pan drippings into fat separator (or measuring cup); let stand 5 minutes so fat rises to top. The Good Housekeeping Test Kitchen, Good Housekeeping, "Thyme-Roasted Turkey and Gravy," 23 Oct. 2018 The electrical system is also an important factor; the Beartooth features solar panels, a battery separator, an AGM battery, overhead lighting, and plenty of 12v, 110v, and USB outlets. Megan Barber, Curbed, "Luxury camper van fits all the essentials in 112 square feet," 16 Oct. 2018 Gravy Directions 1 Pour drippings from the roasting pan into a fat separator, pressing the herbs and garlic through the strainer. Tyler Florence, House Beautiful, "Tyler Florence's Split-Roasted Turkey Buried in Herbs," 27 Nov. 2013 Mascara tends to make lashes a little clumpy, but a lash separator really gives lashes that oomph. Ashley Weatherford, The Cut, "Kim Kardashian West’s Makeup Artist on Drugstore Beauty and the Best Acne Treatment," 20 Apr. 2018 Both the NET Power system and oxyfuel combustion require an on-site air separator system to create the pure oxygen that's used in combustion. Megan Geuss, Ars Technica, "In Texas, a new power plant could redefine carbon capture," 31 May 2018 All of Beartooth Vanworks’ conversions also feature a top-notch electrical system—think solar panels, a battery separator, AGM battery, overhead lights, and 12v, 110v, and USB outlets. Megan Barber, Curbed, "Sleek camper van is an adventure cabin on wheels," 4 June 2018 Most handheld and portable electronics use lithium ion batteries, which are made up of an anode, a cathode, a separator, an electrolyte, a positive current, and a negative current. Lauren Goode, WIRED, "Batteries Still Suck, But Researchers Are Working on It," 22 May 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

3 Dec 2018

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 \

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).


to make faulty or ineffective

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