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Definition of
alumina noun
from the Oxford Advanced American Dictionary
alumina
noun
noun
NAmE
/
/
əˈlumənə
/
/
[
uncountable
]
(
technology
)
jump to other results
a white substance found in many types of rock, especially
clay
See
alumina
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
alumina
Nearby words
alum
noun
alum
noun
alumina
noun
aluminum
noun
alumna
noun