mə̇ˈnet noun
( -s )
Etymology: German, from French, oolitic iron ore, from French mine ore, mine + -ette — more at mine
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