Definition of isohaline
: a line or surface drawn on a map or chart to indicate connecting points of equal salinity in the ocean
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Origin and Etymology of isohaline
isohaline International Scientific Vocabulary is- + -haline (from Greek halinos of salt, from hal-, hals salt + -inos -ine); isohalsine from is- + -halsine (irregular from Greek hal-, hals salt) — more at salt
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