Definitions for "Sesquioxides"
Keywords:  aluminium, tio, oxides, amorphous, iron
(Soil.). Oxides of iron and aluminium (Fe and Al) present in the soil; usually represented as R.
Usually refers to the combined amorphous oxides of iron and aluminium.
(metal oxides) - a term for minerals containing 1.5 atoms of oxygen per atom of the metal, particularly Al2O3 and Fe2O3. Often TiO2 is included, although it does not strictly fit the meaning of sesqui ( = 1.5 times).