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# salinity

«salinity» in Mova's school dictionary: **how salty water or soil is: how much salt is dissolved in it** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (salinity, uncountable; salinities in science)

### meaning for a pupil

1) Salinity is how salty water or soil is: how much salt is dissolved in it. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#m1)

2) (science) It is measured as the amount of salt in a certain amount of water, for example grams per litre or parts per thousand. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#m2)

### sense in the lessons

In science and geography lessons salinity explains why seawater is salty and rivers are fresh, why the Dead Sea lets you float, and why some fish live only in fresh water or only in the sea. In farming, high salinity in soil can stop crops growing. Phrases: high salinity, low salinity, ocean salinity, measure the salinity.

### examples

- The salinity of the ocean is about 35 grams of salt in every litre. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#x1)
- The Dead Sea has such high salinity that people float easily. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#x2)
- Rivers have very low salinity, so their water is called fresh water. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#x3)
- We tested the salinity of three water samples in class. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#x4)
- Where rivers meet the sea, the salinity is in between. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#x5)
- High salinity in the soil made the wheat grow badly. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#x6)
- Some fish, like salmon, can cope with changes in salinity. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/#x7)

### note

Uncountable in everyday use. Related words: saline (salty), salt. In maths problems salinity is a rate: if 1 litre holds 35 g of salt, 2 litres of the same water hold 70 g. Adding fresh water lowers the salinity; evaporating water raises it.

### Trees and pragmatics

[Every meaning and example of «salinity» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/salinity/), each sentence with its dependency tree and frames.