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Surd   Listen
noun
Surd  n.  (Math.)
1.
A quantity which can not be expressed by rational numbers; thus, sqrt(2) is a surd.
2.
(Phon.) A surd element of speech. See Surd, a., 4.


adjective
Surd  adj.  
1.
Net having the sense of hearing; deaf. (Obs.) "A surd... generation."
2.
Unheard. (Obs.)
3.
(Math.) Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number.
4.
(Phonetics) Uttered, as an element of speech, without tone, or proper vocal sound; voiceless; unintonated; nonvocal; atonic; whispered; aspirated; sharp; hard, as f, p, s, etc.; opposed to sonant.





Collaborative International Dictionary of English 0.48


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"Surd" Quotes from Famous Books



... worked upon that problem Which has never yet been solved, How to live and be contented In the scenes life has evolved, Though in every operation Much must be inferred, We will find this root's extraction Will often prove a surd. ...
— Our Profession and Other Poems • Jared Barhite
... mysterious about Professor Surd's dislike for me. I was the only poor mathematician in an exceptionally mathematical class. The old gentleman sought the lecture-room every morning with eagerness, and left it reluctantly. For was it not a thing of joy to find seventy ...
— Stories by American Authors, Volume 5 • Various
... of goods, kept the same places till, toward three o'clock, they were lost in the mass which covered the floor. Even then there was no uproar, no rush or push, no sharp cries or frenzied shouting; but from the crowd, which was largely made up of elderly men, there rose a sort of surd, rich hum, deepening ever, and never breaking into a shriek of torment or derision. It was not histrionic, and yet for its commercial importance it was one of the most moving spectacles which could offer itself to the eye in the ...
— Seven English Cities • W. D. Howells


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