"Pleonaste" ba kalma ce ta Ingilishi ta gama gari ba, amma kalma ce da ake amfani da ita a fannin ma'adinai don nufin wani takamaiman nau'in ma'adinan ƙarfe-magnesium-aluminum oxide tare da tsarin sinadarai MgAl2O4. Yawanci koren duhu ne ko launin ruwan kasa kuma ana samunsa a cikin duwatsu masu zafi da meteorites. Kalmar "pleonaste" ta samo asali ne daga kalmar Helenanci "pleonastos," wanda ke nufin "mai yawa" ko "mai arziki."