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

With so many different tech standards to keep up with these days (see headphones section), traveling now involves carrying a mess of charging adapters and cables. Lauren Goode, WIRED, "Gear You'll Need to Travel Like a Pro," 25 July 2019 Portable emergency radios with real-time NOAA weather reports and Public Emergency Alert System information can be powered by a hand-crank generator, solar panel, rechargeable batteries or wall power adapter., "Ready for the ‘Big One’? What you need now to prepare for an earthquake," 9 July 2019 The adapter will make room for both SpaceX and Boeing, which are developing astronaut capsules for NASA under its Commercial Crew Program, to dock two vehicles at at time. Chabeli Herrera,, "Those sonic booms you heard? That was SpaceX sending critical cargo to the ISS," 26 July 2019 The most prominent early adapters — Del Mar, Keeneland and Santa Anita — have all reverted to dirt since 2010 and have all experienced a sharp rise in catastrophic breakdowns. Tim Sullivan, The Courier-Journal, "'We bury our heads': Horsemen prefer dirt tracks even though they lead to more fatalities," 22 May 2019 Don't let the new ports scare you, as there's a slew of adapters and dongles available to support other accessories. Jacob Krol, CNN Underscored, "Apple's MacBook Air is now an even better value at just $1,099," 11 July 2019 This announcement comes just a few months after Apple issued a similar recall for two types of plug adapters because of a risk of electric shock. Ahiza Garcia, CNN, "Apple recalls batteries in some older 15-inch MacBook Pros," 20 June 2019 And Lalo just launched last week with a daily stroller that will be expandable to handle two seats once its adapters are available. Rachel Rothman, Good Housekeeping, "Mockingbird Is a New Direct-to-Consumer Brand for Strollers, and We're Obsessed," 18 Mar. 2019 Ultimately, SpaceX defended its rocket and an investigation revealed the true cause of the accident: the payload adapter, which connects the satellite to the rocket, failed to deploy the spacecraft into orbit. Loren Grush, The Verge, "The Verge 2018 tech report card: SpaceX," 29 Dec. 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

15 Aug 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

Comments on adapter

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