surd

1. a. Net having the sense of hearing; deaf. Source: opted

2. a. Unheard. Source: opted

3. a. Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number. Source: opted

4. 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. Source: opted

5. n. A quantity which can not be expressed by rational numbers; thus, Ã2 is a surd. Source: opted

6. n. A surd element of speech. See Surd, a., 4. Source: opted

7. adj. produced without vibration of the vocal cords Source: wordnet

8. n. a consonant produced without sound from the vocal cords Source: wordnet

9. Involving surds; not capable of being expressed in rationalnumbers; radical; irrational; as, a surd expression or quantity; asurd number. Source: adambom

10. n. a consonant produced without sound from the vocal cords Source: ecdict

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