noun Etymology: New Latin, from Latin alumin-, alumen alum Date: 1801 the oxide of aluminum Al 2 O 3 occurring native as corundum and in hydrated forms (as in bauxite)
ALUMINA
Meaning of ALUMINA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012