surd

(redirected from Surds and Indices)
Also found in: Thesaurus, Encyclopedia.

surd

 (sûrd)
n.
1. Mathematics An irrational number, such as √2.
2. Linguistics A voiceless sound in speech.
adj. Linguistics
Voiceless, as a sound.

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

surd

(sɜːd)
n
1. (Mathematics) maths an expression containing one or more irrational roots of numbers, such as 2√3 + 3√2 + 6
2. (Phonetics & Phonology) phonetics a voiceless consonant, such as (t)
adj
3. (Mathematics) of or relating to a surd
4. (Phonetics & Phonology) of or relating to a surd
[C16: from Latin surdus muffled]

surd

(sɜrd)

adj.
1. (of a speech sound) voiceless (opposed to sonant).
2. (of a quantity) not capable of being expressed in rational numbers; irrational.
n.
3. a voiceless consonant.
4. a surd quantity.
[1545–55; < Latin surdus muted, literally, deaf]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.surd - a consonant produced without sound from the vocal cords
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'"
Translations

surd

[sɜːd] Nnúmero m sordo

surd

n (Math) → irrationaler Ausdruck

surd

[sɜːd] n (Math) → espressione f irrazionale