Definition

A device used to measure the flow of electric current in a circuit, specifically in units called amperes.

Example

The technician used an ammeter to check the current flowing through the circuit.

Conversation

Have you ever used an ammeter before?

No, I haven't. What does it do?

It's an instrument that measures electric current in amperes.

That sounds useful! I might need one for my electronics project.

Synonyms & Antonyms

Root Explanation

Ammeter → It is formed from "ampere" (named after André-Marie Ampère, a French physicist, meaning a unit of electric current) and "-meter" (from Greek "metron", meaning measure). The word "ammeter" refers to an instrument that measures electric current in amperes.

Memory Tip

Think of the unit 'ampere' named after a scientist measuring electric current, and '-meter' meaning to measure. An ammeter is a device that measures the flow of electric current.

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