Definition

A thing that helps to reduce or prevent the effects of something, such as a device that temporarily stores data or a substance that stabilizes acidity in a solution.

Example

The computer uses a buffer to store data before processing it.

Conversation

Have you ever used a buffer when working on your computer?

Yeah, it really helps with loading times when streaming videos.

I wish I had a better buffer for my internet connection.

You might want to check with your provider about upgrading your plan.

Synonyms & Antonyms

Definition

To protect or lessen the impact of something by acting as a barrier or intermediary.

Example

The software can buffer data to improve performance during downloads.

Tense Forms

Conversation

Did you know that you can buffer a solution to keep its pH stable?

Really? I didn’t know that was a thing in chemistry.

Yeah, it helps prevent big changes when you add other substances.

Root Explanation

Buffer → The word originates from the Middle French 'buffer', meaning to strike or to bump. It refers to something that lessens the impact or effect of a force, acting as a cushion or shield.

Memory Tip

Think of a cushion that 'strikes' or 'bumps' against something to lessen the impact — that's what a buffer does.

Visually Confused Words