desalination

verb (used with object), de·sal·i·nat·ed, de·sal·i·nat·ing.

1. desalt.

noun

1. the process of removing salt, esp from sea water so that it can be used for drinking or irrigation

verb

1. (tr) to remove the salt from (esp from sea water)Also: desalt (diːˈsɔːlt)

n.

1958, from de- + salination (see salt). As a verb, desalt is recorded from 1909.

1. The removal of salt or other chemicals from something, such as seawater or soil. Desalinization can be achieved by means of evaporation, freezing, reverse osmosis, ion exchange, and electrodialysis.