1 if a liquid evaporates or if sth evaporates it, it changes into a gas, especially steam:
[V] Heat until all the water has evaporated. * [VN] The sun is constantly evaporating the earth's moisture.
2 [V] to disappear, especially by gradually becoming less and less:
Her confidence had now completely evaporated. * Their lead in the opinion polls evaporated overnight.
evaporation noun [U]
