| NOUN | person | Hero of Alexandria, Hero, Heron | Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century) |
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| Meaning | Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century). | |
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| Synonyms | Hero, Heron | |
| Instance of | inventor, discoverer, artificer | someone who is the first to think of or make something |
| mathematician | A person skilled in mathematics | |
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