adapter

noun

adapt·​er ə-ˈdap-tər How to pronounce adapter (audio)
a-
variants or less commonly adaptor
1
: one that adapts
2
a
: a device for connecting two parts (as of different diameters) of an apparatus
b
: an attachment for adapting apparatus for uses not originally intended

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
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 rocket's upper stage continued into LEO with the 27 Starlink satellites; it's expected to release them from the rocket's payload adapter about one hour into flight. Josh Dinner, Space.com, 28 Apr. 2025 Presumably director Scott Ellis and adapter Rupert Holmes wanted to land the show in a long tradition of musicals with shouted titles—from Oklahoma! Sara Holdren, Vulture, 25 Apr. 2025 The projector's power button is located at the center of the right hinge, with a long press bringing the unit to life when on battery, and a short press when cabled to the power adapter. New Atlas, 4 Apr. 2025 There's a lot more, though: a bag of additional shoulder screws for mounting drives onto vibration-damping grommets, the grommets themselves, a #2 Phillips-to-hex adapter socket for standoffs, three replacement snaps for the top of the right side panel, and some cable ties. PC Magazine, 29 Mar. 2025 See All Example Sentences for adapter

Word History

Etymology

adapt + -er entry 2

First Known Use

1753, in the meaning defined at sense 2

Time Traveler
The first known use of adapter was in 1753

Browse Nearby Words

Cite this Entry

“Adapter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adapter. Accessed 9 May. 2025.

Kids Definition

adapter

noun
adapt·​er
variants also adaptor
1
: someone or something that adapts
2
a
: a device for connecting two parts (as of different diameters) of a usually larger device
b
: an attachment for adapting a device for uses not originally intended

Medical Definition

adapter

noun
adapt·​er
variants also adaptor
1
: one that adapts
2
a
: a device for connecting two parts (as of different diameters) of an apparatus
b
: an attachment for adapting apparatus for uses not originally intended

More from Merriam-Webster on adapter

Last Updated: - Updated example sentences
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