Adapter-Adaptor | Commonly Confused Words

Adapter

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

/əˈdæptə/

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

"Adapter" and "adaptor" are two words that often confuse people because they are used interchangeably in many cases.
Typically, "adapter" is the preferred spelling in American English, while "adaptor" is also accepted but less common.
In British English, both "adapter" and "adaptor" can be used, but "adaptor" is often seen in technical writing.
Remember that both words have the same meaning and can often be used interchangeably.
If youre unsure which to use, consider your audiences regional spelling preferences.