is a specific kind of: chemical compound, compound.

is a broader term that covers: titania, titanic oxide, titanium dioxide, titanium oxide | pentoxide | nitrogen oxide | burnt lime, calcined lime, calcium oxide, calx, fluxing lime, lime, quicklime, unslaked lime | copper oxide | dioxide | ferric oxide | monoxide | peroxide | minium, red lead | silica, silicon dioxide, silicon oxide | sulfur oxide, sulphur oxide | superoxide | tetroxide | trioxide | flowers of zinc, philosopher's wool, philosophers' wool, zinc oxide | zirconia, zirconium dioxide, zirconium oxide ... show more.

derivation: oxidate, oxidise, oxidize.