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Definition of
opal noun
from the Oxford Advanced American Dictionary
opal
noun
noun
NAmE
/
/
ˈoʊpl
/
/
[
countable
,
uncountable
]
jump to other results
a white or almost clear
semi-precious stone
in which changes of color are seen, used in jewelry
an opal ring
See
opal
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
opal
Nearby words
Op.
abbreviation
opacity
noun
opal
noun
opalescent
adjective
opaque
adjective