from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of surd.


Sorry, no etymologies found.


  • After a course of equations that flattened out my head like the Camargue, I was thrust into what are called surds, a sort of wood of errors, in which one spends hours in hewing one's way to get at nothing of the slightest profit to man or beast; finally, I believe my good tutor, now a bishop, got tired of me.

    In Troubadour-Land A Ramble in Provence and Languedoc

  • Why the surds were called surds and determinants were called determinants?

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  • I shall dispense with all "surds" and similar absurdities, notwithstanding the fact that the sides of our triangle are clearly incommensurate, since we cannot exactly extract the square roots of the three square areas.

    Amusements in Mathematics

  • These 'surds' of metaphysics ought to occasion no more difficulty in speculation than a perpetually recurring fraction in arithmetic.


  • An wii copiez all deh kind an luving surds and hugz, an senz dem 2 yew two.

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  • On the contrary, the nearer it approaches to simple natures, the easier and plainer will everything become, the business being transferred from the complicated to the simple; from the incommensurable to the commensurable; from surds to rational quantities; from the infinite and vague to the finite and certain; as in the case of the letters of the alphabet and the notes of music.

    The New Organon

  • Book I on the measurement of areas is specially interesting for (1) its statement of the formula used by Heron for finding approximations to surds, (2) the elegant geometrical proof of the formula for the area of

    The Legacy of Greece Essays By: Gilbert Murray, W. R. Inge, J. Burnet, Sir T. L. Heath, D'arcy W. Thompson, Charles Singer, R. W. Livingston, A. Toynbee, A. E. Zimmern, Percy Gardner, Sir Reginald Blomfield

  • He seemed to live in some high abstract region of surds and conic sections, with little to connect him with ordinary life.

    The Case Book of Sherlock Holmes

  • When these surds have been accepted at their face value, inference may set to work among them; yet the inference that mechanism will continue to reign will not amount to certain knowledge until the event inferred has come to give it proof.

    The Life of Reason

  • In such science only the ultimate material elements remain surds; all their further movement and complication can be represented in that kind of thought which is most intimately satisfactory and perspicuous.

    The Life of Reason


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