parts per thousand
Unit expressing the part of a whole number in units of 1/1000. Abbreviated to ppt.
Ichthyological terms, not general ones.
Unit expressing the part of a whole number in units of 1/1000. Abbreviated to ppt.
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).
Used in 114 profiles