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- noun a tool with a handle attached to a copper or iron tip which is heated, electrically or in a flame, and used to melt solder to make joints
- A device or tool which incorporates a tip that is utilized to apply heat to a solder (1). The application of a thin coat of solder to the tip of a soldering iron, and/or the conductors or surfaces to be soldered, helps ensure proper heating, the minimization of the transfer of impurities, and the obtaining of a sound joint. Also called solder iron.
- synonymsolder iron