soldering iron


an instrument for melting and applying solder.

Origin of soldering iron

First recorded in 1680–90 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for soldering iron

  • The plumber under the sink had a gas-jet and a soldering-iron, and he was raising a smell of warm lead and flux.

    Gray youth|Oliver Onions
  • Still visible were the marks of the soldering-iron, in a ragged line, about three inches from the top.

    Darkness and Dawn|George Allan England
  • The scorching was done with molten lead, or in very dark places with a soldering-iron.

    Intarsia and Marquetry|F. Hamilton Jackson
  • Do not touch the metal with the soldering-iron and then take it away.

    How to Become an Engineer|Frank W. Doughty

British Dictionary definitions for soldering iron

soldering iron


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012