- 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. 1. Net having the sense of hearing; deaf. [Obs.] "A surd . . . generation." Sir T. Browne. 2. Unheard. [Obs.] Kenrick. 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. See Guide to Pronunciation, §§169, 179, 180. 1. A quantity which can not be expressed by rational numbers; thus, *2 is a surd. 2. (Phon.) A surd element of speech. See Surd, a., 4. Source: webster
- 10. Involving surds; not capable of being expressed in rationalnumbers; radical; irrational; as, a surd expression or quantity; asurd number. Source: adambom
- 11. n. a consonant produced without sound from the vocal cords Source: ecdict
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