surd adj : of speech sounds [syn: voiceless, unvoiced] [ant: sonant] n : a consonant produced without sound from the vocal cords [syn: voiceless consonant]

English

Pronunciation

• (RP): sûd, /sɜːd/, /s3:d/
• (US): sûrd, /sɝd/, /s3`d/

  Rhymes: -ɜː(r)d

Noun

surd (plural surds)

1. An irrational number, especially one expressed using the √ symbol.
2. A voiceless consonant.

Surd may be:

• A voiceless consonant
• An unresolved mathematical expression of an nth root or an irrational number that can be expressed as such a root of a rational number (as opposed to a transcendental number, which cannot)
• Surd, Hungary, a village in Zala county, Hungary
• Surd evil is another term for Natural evil, a type of random and unexplainable evil without meaning
• Jeremiah Surd is a quadriplegic hacker and antagonist from the television series The Real Adventures of Jonny Quest

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