surd
Pronunciation:
/sɜːd//sɝd/noun
Definitions
An irrational number, especially one expressed using the √ symbol.
A voiceless consonant.
adjective
Definitions
Lacking the sense of hearing; deaf.
Unheard
Involving surds, or irrational numbers; not capable of being expressed in rational numbers.
Example: a surd expression or quantity; a surd number
Unvoiced; voiceless