I don't see how this is English, but the opposite for condensation is evaporation. So the answer is
evaporación
Evaporation involves a phase change from liquid phase to vapor phase, whereas condensation involves a phase change from vapor to liquid phase.
<span>The Oiler (Billie).... what a strange question
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True like that fish in Nemo with that light bulb looking thing on it head
No its Latin roots i believe