surd
/sɜːd//sɝd/
noun
- 1
An irrational number, especially one expressed using the √ symbol.
- 2
A voiceless consonant.
adjective
- 1
Lacking the sense of hearing; deaf.
- 2
Unheard
- 3
Involving surds, or irrational numbers; not capable of being expressed in rational numbers.
“a surd expression or quantity; a surd number”
- 4
Unvoiced; voiceless
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