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

Playing well during an upcoming four-game set in Oakland could serve as the separator for an Astros team seeking to fulfill Hinch’s foremost goal. Chandler Rome, Houston Chronicle, "Astros turning attention to postseason home-field advantage," 14 Aug. 2019 Under $10: This ingenious fat separator (Photo: OXO) Need to cut the fat from your latest kitchen concoction? Shayna Murphy, USA TODAY, "The 5 best Amazon deals you can get this Wednesday," 7 Aug. 2019 In years previous, the trade deadline has served as a kind of separator, or at least an inflection point. Jon Tayler,, "Biggest Questions Remaining After the MLB Trade Deadline," 1 Aug. 2019 But tech is the newest recruiting tool in Division I, the latest separator between haves and have-nots. Pat Borzi, New York Times, "‘If You Don’t Have It, You’re Behind’: College Baseball’s Tech Arms Race," 25 June 2019 Meanwhile, Dahl’s ninth longball of the season was the separator while Gray and the Colorado bullpen took care of the rest in a 2-0 win over San Francisco. Kyle Newman, The Denver Post, "Rockies use clutch start by Jon Gray, David Dahl’s long ball to beat Giants in series opener," 24 June 2019 Pneumatic separators and filter screens pop lightweight materials in the air as heavy ones fall to separate belts below. Dennis Pillion |,, "Montgomery bet $31 million on future of recycling and its ‘magic garbage machine’," 17 June 2019 Massimo Pigliucci, a philosopher at the Graduate Center of the City University of New York, pointed out that falsifiability is woefully inadequate as a separator of science and nonscience, as Popper himself recognized. Quanta Magazine, "A Fight for the Soul of Science," 16 Dec. 2015 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

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

8 Oct 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

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

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fear of the number 13

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