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thirty

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thirty/ˈθɚti/noun
pluralthirties
thirty
/ˈθɚti/
noun
pluralthirties
Learner's definition of THIRTY  
[count]  : the number 30
thirties [plural] 
: the numbers ranging from 30 to 39
   b  : a set of years ending in digits ranging from 30 to 39

— thirtieth

/ˈθɚtijəθ/noun,pluralthirtieths[count]

— thirtieth

adjective

— thirtyish

/ˈθɚtijɪʃ/adjective
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