soldering iron
noun/ˈsəʊldərɪŋ aɪən/, /ˈsɒldərɪŋ aɪən/
/ˈsɑːdərɪŋ aɪərn/
- a tool that is heated and used for joining metals and wires by soldering them
Check pronunciation:
soldering iron
Definition of soldering iron noun from the Oxford Advanced Learner's Dictionary