| rock salt n. 1. Rock containing halite as its main constituent. 2. Coarsely ground or granulated common salt. |
rock salt
n
(Earth Sciences / Minerals) another name for halite
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  rock salt - naturally occurring crystalline sodium chlorideatomic number 11, Na, sodium - a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt) mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition common salt, sodium chloride - a white crystalline solid consisting mainly of sodium chloride (NaCl) |
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