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English definition of “saline”

saline

noun [U] uk   /ˈseɪ.laɪn/ specialized us  
a liquid mixture of salt and pure water, which helps to kill bacteria or can be used to replace liquid lost from the body: a saline drip

saline

adjective uk   /ˈseɪ.laɪn/ specialized us  
containing or consisting of salt: saline deposits/springs saline solution
salinity
noun [U] uk   /səˈlɪn.ɪ.ti/ us    /-ə.t̬i/
You should test the salinity of the water.
(Definition of saline from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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