Any of various forms of aluminum oxide occurring naturally as corundum.

synonyms: aluminium oxide, aluminum oxide.

Roget 324: softness, pliableness etc. adj.; flexibility; pliancy, pliability; sequacity^†, malleability; ductility, tractility^†; extendibility, extensibility; plasticity; inelasticity, flaccidity, laxity.    penetrability.    clay, wax, butter, dough, pudding; alumina, argil; cushion, pillow, feather bed, down, padding, wadding; foam.    mollification; softening etc. v.. ... show more

Dutch: alumina, aluminiumoxide, aluminiumtrioxide, aluinaarde, aluminiumoxyde
Polish: tritlenek diglinu