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thir·ty
 thirty
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- pronunciation:
- thuhr
ti
- parts of speech:
- noun, adjective
| part of speech: |
noun |
| inflections: |
thirties |
| definition: |
the number that is equal to three times ten; 30.
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| part of speech: |
adjective |
| definition: |
being thirty in number.
My aunt is thirty years old and younger than my mom. |
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