adapt·​er | \ ə-ˈdap-tər How to pronounce adapter (audio) , a-\
variants: or less commonly adaptor

Definition of adapter

1 : one that adapts
2a : a device for connecting two parts (as of different diameters) of an apparatus
b : an attachment for adapting apparatus for uses not originally intended

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Examples of adapter in a Sentence

adapters for the food mixer include a meat grinder and an ice cream maker

Recent Examples on the Web

Previously, your only official replacement option from Apple was to buy one of the Mac USB-C adapters — starting at $49 — for the 30W USB-C charger normally shipped with MacBooks. Stefan Etienne, The Verge, "You can now buy Apple’s $29 USB-C fast chargers," 5 Dec. 2018 This version of Christie’s tale, set in the mid-1950s, has, to put it mildly, undergone serious alteration at the hands of adapter Sarah Phelps whose sights were clearly set on evoking the postwar atmosphere, the terrors of nuclear war. Dorothy Rabinowitz, WSJ, "‘Ordeal by Innocence’ Review: A Suspect in the Family," 9 Aug. 2018 Apple announced a recall today of power adapters sold between 2003 and 2015 that can break and shock their owners when touched. Jay Bennett, Popular Mechanics, "Apple Recalls Power Adapters Due to 'Risk of Electrical Shock'," 28 Jan. 2016 Cut the relief valve tube to length and solder a male adapter to one end. Steve Willson, Popular Mechanics, "How To Install An Electric Water Heater," 24 Aug. 2018 That’s partly the result of a problem any adapters would have faced. Jesse Green, New York Times, "Review: ‘The Royal Family of Broadway,’ This Time in Song," 5 July 2018 The Ghostly Super Nt will be $249.99, compared to $189.99 for the original, though the new model does come bundled with a wireless controller and adapter, which is absent from the base Super Nt. Andrew Webster, The Verge, "Analogue’s limited edition SNES has custom sounds from your favorite Ghostly artists," 3 Dec. 2018 Apple is still selling the headphone adapter on its website for its usual $9. Jeff Dunn, Ars Technica, "Your new $1,000+ iPhone won’t come with a headphone dongle in the box," 12 Sep. 2018 The worldwide smart home device market — including smart speakers, digital media adapters, lighting, thermostats, home monitoring and security devices — is expected to grow 27 percent this year to about 550 million units, according to IDC. Rani Molla, Recode, "Voice tech like Alexa and Siri hasn’t found its true calling yet: Inside the voice assistant ‘revolution’," 12 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'adapter.' 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 adapter

1753, in the meaning defined at sense 2

History and Etymology for adapter

adapt + -er entry 2

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Learn More about adapter

Statistics for adapter

Last Updated

14 Mar 2019

Look-up Popularity

Time Traveler for adapter

The first known use of adapter was in 1753

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More Definitions for adapter



English Language Learners Definition of adapter

: a device that is used to connect two pieces of equipment that were not designed to be connected


variants: also adaptor \ ə-​ˈdap-​tər How to pronounce adaptor (audio) \

Medical Definition of adapter

1 : one that adapts
2a : a device for connecting two parts (as of different diameters) of an apparatus
b : an attachment for adapting apparatus for uses not originally intended

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More from Merriam-Webster on adapter

Thesaurus: All synonyms and antonyms for adapter

Spanish Central: Translation of adapter

Nglish: Translation of adapter for Spanish Speakers

Britannica English: Translation of adapter for Arabic Speakers

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