separator

noun

sep·​a·​ra·​tor ˈse-pə-ˌrā-tər How to pronounce separator (audio)
ˈse-ˌprā-tər
: one that separates
especially : a device for separating liquids of different specific gravities (such as cream from milk) or liquids from solids

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Brewers’ grasp on the little things has been their separator. Fabian Ardaya, New York Times, 17 Oct. 2025 Designing continuous reactors or efficient solid–liquid separators is needed to handle this. Srishti Gupta, Interesting Engineering, 16 Oct. 2025 The two biggest separators in a close game: Quality of quarterback play and overall team discipline (a coaching hallmark). Parker Gabriel, Denver Post, 22 Sep. 2025 That’s thanks to 980 QuantumScape’s QSE-5 cells, which use a lithium-metal anode and a ceramic separator in place of the 18-kWh battery pack that’s equipped with 1,152 cylindrical 21700 cells, which the stock moto usually packs. New Atlas, 20 Sep. 2025 See All Example Sentences for separator

Word History

First Known Use

1607, in the meaning defined above

Time Traveler
The first known use of separator was in 1607

Browse Nearby Words

Cite this Entry

“Separator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/separator. Accessed 20 Oct. 2025.

Kids Definition

separator

noun
sep·​a·​ra·​tor ˈsep-ə-ˌrāt-ər How to pronounce separator (audio)
: one that separates
especially : a device for separating liquids (as cream from milk) of different densities or liquids from solids

Medical Definition

separator

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

Last Updated: - Updated example sentences
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