soldering iron

American  

noun

1. an instrument for melting and applying solder.

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soldering iron British  

noun

1. a hand tool consisting of a handle fixed to a copper tip that is heated, electrically or in a flame, and used to melt and apply solder

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Etymology

Origin of soldering iron

First recorded in 1680–90

Example Sentences

Armed with a soldering iron and good intentions, Tuna paid tribute to what the fires took.

From Los Angeles Times • Jan. 26, 2026

In a video made public by the court on Saturday, Bolsonaro gave a different version of events: he said he had used a soldering iron on the monitoring bracelet out of "curiosity."

From Barron's • Nov. 24, 2025

You will need a soldering iron to undo the wiring connection and then you’ll have to re-solder a new battery in.

From Seattle Times • May 2, 2024

He fixed amplifiers using a soldering iron and remembers working with radio valves instead of transistors.

From BBC • Jan. 9, 2023

He could use a soldering iron and hammer two boards together so that the wood did not split and the nails did not bend.

From "Catch-22" by Joseph Heller