English word salt mine comes from English mine
Dictionary entry | Language | Definition |
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mine | English (eng) | (computing) A machine used to extract units of a cryptocurrency.. (entomology) The cavity made by a caterpillar while feeding inside a leaf.. (figurative) Any source of wealth or resources.. (military) A device intended to explode when stepped upon or touched, or when approached by a ship, vehicle, or person.. (military) A passage dug toward or underneath enemy lines, which is then packed [...] |
salt mine | English (eng) | (by extension) Any laborious work situation, especially in a confined space.. Any mine used for the extraction of salt. |