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Hint: Asterisk (*) is a wildcard. Asterisk substitutes zero or more characters.
English
noun
:
corundom
1.
corundom
(substance)
very hard mineral used as an abrasive
Synonyms
corundum
Broader (hypernym)
mineral
Narrower (hyponym)
alumina
,
aluminium oxide
,
aluminum oxide
,
ruby
,
sapphire
Substance meronym
emery
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. English edition:
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