soldar

to weld

verb sohl-DAHR Rare

Origin: From Latin solidare (to make solid), from solidus (solid).

Also means

to solder

Usage Note

Soldar is a stem-changing verb (o→ue): yo sueldo, tú sueldas, but nosotros soldamos. It covers both gas/arc welding and electrical soldering, though soldar con estaño specifies tin soldering. The noun is soldadura (weld/solder); the person is soldador — do not confuse with soldado (soldier), which shares the same Latin root but diverged in meaning.

Examples

"El técnico soldó los cables con cuidado."

Natural Translation

The technician soldered the cables carefully.

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