Definition of minette
1 : a dark igneous rock composed chiefly of biotite and orthoclase that occurs usually in narrow dikes and sheets and that constitutes one of the lamprophyres
2 [French] : an oolitic iron ore containing as a rule 28 to 48 percent of iron and 1.5 to 2 percent of phosphorus that is plentiful in Luxemburg and Lorraine and is adapted for the basic Bessemer process
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Origin and Etymology of minette
German, from French, oolitic iron ore, from French mine ore, mine + -ette
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