surd

surd  (sûrd)

n.

1. Mathematics An irrational number, such as 2.

2. Linguistics A voiceless sound in speech.

adj. Linguistics

Voiceless, as a sound.

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[Medieval Latin surdus, speechless, surd (translation of Arabic (jar) 'aamm, deaf (root), surd, translation of Greek alogos, speechless, surd), from Latin.]

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surd Maths

Noun

an irrational number

Adjective

of or relating to a surd [Latin surdus muffled]

Thesaurus

Noun	1.	surd - a consonant produced without sound from the vocal cords voiceless consonant consonant - a speech sound that is not a vowel
Adj.	1.	surd - produced without vibration of the vocal cords; "unvoiced consonants such as `p' and `k' and `s'" unvoiced, voiceless, hard