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Home›Glossary›P

Glossary

parts per thousand

Unit expressing the part of a whole number in units of 1/1000. Abbreviated to ppt.

Related terms

brackish
Refers to water with a salinity between that of freshwater and seawater, technically 0.5 - 30 grams of salt per litre, equivalent to 0.5 - 30 parts per thousand (ppt).

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Seriously Fish · est. 2009

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