Definition of black salt in English:

black salt

noun ˌblak ˈsɒltˌblak ˈsɔːlt

Any of various inorganic salts that are naturally dark in colour, or are darkened by admixed charcoal, soot, etc.; specifically (in plural) impure potash obtained by leaching wood ash and evaporating the resulting solution (now historical).

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From black + salt, originally after post-classical Latin sal niger.

Definition of black salt in US English:

black salt

noun

Any of various inorganic salts that are naturally dark in colour, or are darkened by admixed charcoal, soot, etc.; specifically (in plural) impure potash obtained by leaching wood ash and evaporating the resulting solution (now historical).

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From black + salt, originally after post-classical Latin sal niger.

单词	black salt
释义	Definition of black salt in English: black salt noun ˌblak ˈsɒltˌblak ˈsɔːlt Any of various inorganic salts that are naturally dark in colour, or are darkened by admixed charcoal, soot, etc.; specifically (in plural) impure potash obtained by leaching wood ash and evaporating the resulting solution (now historical). Origin Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From black + salt, originally after post-classical Latin sal niger. Definition of black salt in US English: black salt noun Any of various inorganic salts that are naturally dark in colour, or are darkened by admixed charcoal, soot, etc.; specifically (in plural) impure potash obtained by leaching wood ash and evaporating the resulting solution (now historical). Origin Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From black + salt, originally after post-classical Latin sal niger.
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