unsolder

[uhn-sod-er]

verb (used with object)

to separate (something soldered).
to disunite; sunder: to unsolder ties of friendship.

Origin of unsolder

First recorded in 1530–40; un-² + solder

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unsolder

Historical Examples of unsolder

If strained when very hot it is apt to unsolder the strainer.
Armour's Monthly Cook Book, Volume 2, No. 12, October 1913
Various
In soldering the bottom, care must be taken not to unsolder the corner.
Copper Work
Augustus F. Rose