Dictionary.com

adapter

or a·dap·tor

[ uh-dap-ter ]
/ əˈdæp tər /
Save This Word!

noun

a person or thing that adapts.
  1. a connector for joining parts or devices having different sizes, designs, etc., enabling them to be fitted or to work together.
  2. Also called plug adapter, adapter plug . a device that connects an electrical plug to an outlet that has a different plug shape: Last time I traveled, I brought the wrong adapter.
  3. Also called AC adapter, power adapter . a device with a cord that plugs into an electrical outlet and functions as an external power supply for a small or portable electronic device, usually converting AC current to DC: I forgot to plug in the adapter, and my laptop died.
an accessory to convert a machine, tool, or part to a new or modified use.
Computers.
  1. expansion card.
  2. an external device containing the necessary circuitry to connect to or work with another device or system: a network adapter; a wireless adapter; a video adapter.

QUIZZES

QUIZ YOURSELF ON THE MANY TYPES OF NOUNS

They're everywhere you turn, but can you identify the 10 types of nouns easily? This quiz will test your mettle against singular, plural, concrete, abstract, common, proper, collective, compound, countable, and uncountable nouns!
Question 1 of 7
Shoelaces, rainbow, toothpaste, and haircuts are all what type of noun?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of adapter

First recorded in 1795–1805; adapt + -er1

OTHER WORDS FROM adapter

non·a·dapt·er, non·a·dap·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for adapter

Medical definitions for adapter

adapter

n.

One that adapts.
A connecting part that joins two pieces of apparatus.
A converter of electric current to a desired form.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK