Meaning & use
saltwater
Consisting of or living in water that contains a high concentration of salt, such as the sea.
See it in a sentence
Saltwater fish like tuna cannot survive long in a freshwater aquarium.
They filled the tank with saltwater to keep the coral and reef fish healthy.
A note on using this word
Saltwater is typically written as one word when used as an adjective before a noun, such as 'saltwater fish.'
Words with a similar meaning
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