Simple past tense and past participle of solder.(verb)
Fastened by means of solder.(adjective)
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Use "soldered" in a sentence
"To change a word, a piece of the metal plate has to be cut out and another with the new word soldered in."
"Kilby used a sliver of conductive germanium to connect a transistor and other bits, dubbing the soldered assembly an "integrated circuit" (IC)."
"I was now in God's presence and my attention was absolutely 'soldered' on to this verse, and I was not allowed to proceed with the book till I had fairly considered what these words really involved."