Artificial intelligent assistant

unsoldered

unˈsoldered, ppl. a.
  [un-1 8.]
  Not fixed or closed with solder. Also fig.

1641 J. Taylor (Water P.) Reply (title p.), A Rusty, Rayling,..Lying Libell,..lately written by an impudent unsoder'd Ironmonger. 1876 Preece & Sivewright Telegraphy 303 The soldering iron, and fire-pot,..are more or less cumbersome, and lead to unsoldered joints remaining in the wire. 1891 Clark Russell Curatica 104 If he is a plumber, he will not leave your pipes unsoldered.

Oxford English Dictionary

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