porism definition, porism meaning | English dictionary

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      n   a type of mathematical proposition considered by Euclid, the meaning of which is now obscure. It is thought to be a proposition affirming the possibility of finding such conditions as will render a certain problem indeterminate or capable of innumerable solutions  
     (C14: from Late Latin porisma, from Greek: deduction, from porizein to deduce, carry; related to Greek poros passage)  
  porismatic      adj  
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prism, Pori, porismatic, prim

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