English Reference
Noun

evaporation

n. uncountable
B2 Upper Intermediate US /iˌvæpɝˈeɪʃən/ UK /ɪvˌæpəɹˈeɪʃən/ evap·o·ra·tion UK spelling evaporations

n.the process of a liquid turning into a gas. This usually happens when the liquid gets warmer, like when water disappears from a puddle on a sunny day.

n.the process by which a substance in a liquid state changes into a gaseous state due to an increase in temperature or pressure. Often occurs at the surface of the liquid before reaching its boiling point.


SIMPLE

Heat from the sun causes the evaporation of water from the lake.

CONTEXTUAL

The chef reduced the sauce through slow evaporation to concentrate the flavors before serving.

COMPLEX

In arid climates, the rate of evaporation often exceeds the annual rainfall, leading to the gradual salination of local soil and water sources.

But rising temperatures can play a more direct role by drawing extra moisture from the soil via evaporation.

BBC News· 7 Aug 2026

As warm, salty surface water travels north through the Atlantic, evaporation makes it saltier.

BBC News· 14 Jul 2026

From French évaporation, from Latin evaporatio. Morphologically evaporate + -ion.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin evaporatio
Level B2 · Upper Intermediate
Frequency Occasional
Updated