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Poincaré conjecture. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
Originally conjectured by Henri Poincaré.
Proper noun
the Poincaré conjecture
- The theorem that the only simply connected, closed 3-dimensional manifold is a sphere.
Usage notes
- This is still (2008) known as the Poincaré conjecture but is now a theorem rather than a conjecture.