having a specified gait (usually used in combination): slow-gaited; heavy-gaited oxen. Origin of gaited. 1580-1590. First recorded in 1580-90; gait + -ed3. Related forms.
Medical Definition of ALUMINA. : an oxide of aluminum Al2O3 that occurs native as corundum and in hydrated forms (as in bauxite) and is used in antacidsâcalled also aluminum oxide.
The crushed and graded crystals of alumina when pure are nearly colorless, but the fine powder is white. Off colors are due to impurities. American aluminum oxide used for abrasives is at least 99.5% pure, in nearly colorless crystals melting at 2050Â°C.