thalassotherapy
noun/θəˌlæsəʊˈθerəpi/
/θəˌlæsəʊˈθerəpi/
[uncountable]- the use of seawater as beauty or health treatmentWord Originlate 19th cent.: from Greek thalassa ‘sea’ + therapy.
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thalassotherapy
Definition of thalassotherapy noun from the Oxford Advanced Learner's Dictionary