Definition of “rock salt” - English Dictionary

british dictionary

“rock salt” in British English

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rock saltnoun [ U ]

uk /ˈrɒk ˌsɒlt/ us /ˈrɑːk ˌsɑːlt/

salt that is taken from the ground, not the sea

(Definition of “rock salt” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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