unsolder
/ˈʌnˌsɒldər/Definitions
1. verb
to remove solder from a joint or surface
“The technician had to unsolder the old wires to replace them with new ones.”
2. verb
to break or separate the connection between soldered parts
“The engineer decided to unsolder the faulty components to troubleshoot the issue.”
3. noun
the act of removing solder from a joint or surface
“The process of unsoldering the old joints took several hours to complete.”
4. noun
a substance used for unsoldering
“The technician used a flux to aid in the unsoldering process.”