OPS

\ˈɒps], \ˈɒps], \ˈɒ_p_s]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
1895 - Glossary of terms and phrases
By Henry Percy Smith

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Giulio Natta

  • Italian chemist noted for work on polymers (1903-1979)
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