Definition

A type of coil made of wire that becomes magnetic when electricity flows through it, often used to control mechanical devices like switches or valves.

Example

The engineer installed a solenoid to control the flow of water in the irrigation system.

Conversation

Have you ever heard of a solenoid?

Yeah, I think it's used in some electrical devices, right?

Exactly! It acts like a magnet when current flows through it.

That's cool! I didn't know it could be used as a switch too.

Synonyms & Antonyms

Root Explanation

Solenoid → It is formed from "solen" (from Greek "σολένος", meaning pipe or channel) and "-oid" (meaning resembling or having the form of). The word "solenoid" refers to a coil of wire that resembles a pipe or tube, which generates a magnetic field when an electric current passes through it.

Memory Tip

Imagine a coil of wire shaped like a pipe ('solen') that creates a magnetic field when electricity flows through it. This helps you remember that a solenoid is a device that resembles a pipe.

Visually Confused Words