saline

Concise Oxford English Dictionary © 2008 Oxford University Press:
saline /ˈseɪlʌɪn/

▶adjective

• 1 containing or impregnated with salt.

• 2 chiefly Medicine (of a solution) containing sodium chloride and/or a salt or salts of magnesium or another alkali metal.

▶noun a saline solution.

– derivatives
salinity noun,
salinization (or salinisation) noun.

– origin C15: from L. sal ‘salt’ + -ine1.