Definition

A tool that measures how much fluid is flowing through a pipe by using a float that moves up and down in a tube.

Example

The engineer used a rotameter to check the flow rate of the water in the system.

Conversation

Have you ever used a rotameter in your experiments?

Yeah, I found it really helpful for measuring fluid flow accurately.

I need to get one for my project; it sounds like a great tool.

Definitely! It makes everything so much easier when you can see the flow rate.

Synonyms & Antonyms

Root Explanation

Rotameter is formed from "rota" (from Latin, meaning wheel) and "meter" (from Greek "metron", meaning measure). The word describes an instrument that measures the flow of fluid through a rotating wheel.

Memory Tip

Think of a 'wheel' ('rota') that helps to 'measure' ('meter') the flow of liquid — that's what a rotameter does.

Visually Confused Words