Definition of Surd
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(a.) Net having the sense of hearing; deaf.
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(a.) Unheard.
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(a.) Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number.
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(a.) 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. See Guide to Pronunciation, //169, 179, 180.
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(n.) A quantity which can not be expressed by rational numbers; thus, Ã2 is a surd.
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(n.) A surd element of speech. See Surd, a., 4.
Homophones of Surd
No Homophones Found.