Meaning & use

soldering iron

noun·Everydaytechnical

Last updated

UK/ˈsəʊldərɪŋ ˌaɪən/
US/ˈsɑːdərɪŋ ˌaɪɚn/

Meaning

  1. nouncountable

    A hand tool with a heated metal tip that melts a metal alloy so two metal parts, such as wires, can be joined.

    Grammar: Countable: a soldering iron, two soldering irons.

    Patterns

    • use a soldering iron
    • a soldering iron for something

    He heated the soldering iron and touched the wire to the circuit board.

    Keep the soldering iron in its stand when you are not using it.

    She burned her thumb on a soldering iron during the electronics class.

Word forms

pluralsoldering irons

Common combinations

heat up a soldering iron
Heat up the soldering iron for a minute before you start.
tin the tip of a soldering iron
Tin the tip of the soldering iron so it transfers heat well.
a temperature-controlled soldering iron
A temperature-controlled soldering iron is safer for delicate parts.
a soldering iron stand
Always rest it in a soldering iron stand.
unplug the soldering iron
Unplug the soldering iron when you finish.

Synonyms and how they differ

soldering gun
A soldering gun is pistol-shaped and heats faster but is bulkier, so it suits heavier jobs than a soldering iron.
soldering pen
Soldering pen suggests a slim, light model meant for small electronics work.
solder station
A solder station is a soldering iron with a base unit that controls temperature, so it is a fuller setup than the iron itself.

Word family

solder verb
to join metal parts with melted alloy
solder noun
the metal alloy melted to make the joint
soldered adjective
joined using solder
desolder verb
to remove solder to take a part off

Commonly confused: soldering iron or welding torch?

soldering iron vs welding torch

A welding torch melts the base metals themselves at much higher heat; a soldering iron only melts the added filler metal.

Practice

To attach a small wire to a circuit board, you would most sensibly use a ____.

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