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Adapter vs. Adaptor

Adapter

A device used to connect two different parts or types of equipment so they can work together.

Examples:

Synonyms:

Antonyms:

Adaptor

/əˈdæptə/

A device that allows one type of object or system to function with another.

Examples:

Synonyms:

Antonyms:

Ways to tell them apart:

Both adapter and adaptor refer to devices used to connect incompatible parts, but their spelling can be influenced by regional preferences.
The spelling adapter is more commonly used in American English.
Adaptor is often preferred in British English, indicating a slight regional variation.
Remember that adapter and adaptor can be used interchangeably.
Think of adapter with an e like e for electronic devices often needing one.

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