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  • noun Plural form of porism.


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  • Mr. Robin Simson was the venerable Professor of Mathematics, equally celebrated and beloved, known through all the world for his rediscovery of the porisms of Euclid, but in Glasgow College ” whose bounds he rarely quitted ” the delight of all hearts for the warmth, breadth, and uprightness of his character, for the charming simplicity of his manner, and the richness of his weighty and sparkling conversation.

    Life of Adam Smith


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