Surd

Definition of Surd

a.1.Net having the sense of hearing; deaf.
2.Unheard.
3.(Math.) Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number.
4.(Phonetics) Uttered, as an element of speech, without tone, or proper vocal sound; voiceless; unintonated; nonvocal; atonic; whispered; aspirated; sharp; hard, as f, p, s, etc.; - opposed to sonant. See Guide to Pronunciation, 169, 179, 180.
n.1.(Math.) A quantity which can not be expressed by rational numbers; thus, ?2 is a surd.
2.(Phon.) A surd element of speech. See Surd, a., 4.

Related Words

Gaussian integer, accented, algebraic number, algorismic, algorithmic, aliquot, allophone, alveolar, apical, apico-alveolar, apico-dental, articulated, articulation, aspiration, assimilated, assimilation, back, barytone, bilabial, broad, cacuminal, cardinal, cardinal number, central, cerebral, check, checked, close, complex number, consonant, consonantal, continuant, deaf, deaf and dumb, deaf-eared, deaf-mute, deafened, decimal, defective number, dental, differential, digital, diphthong, dissimilated, dissimilation, dorsal, dull-eared, earless, epenthetic vowel, even, even number, explosive, exponential, figural, figurate, figurative, finite, finite number, flat, fraction, fractional, front, glide, glossal, glottal, glottalization, guttural, hard, hard of hearing, heavy, high, imaginary, imaginary number, impair, impossible, infinite, infinity, integer, integral, intonated, irrational, irrational number, labial, labialization, labiodental, labiovelar, laryngeal, lateral, lax, light, lingual, liquid, logarithmic, logometric, low, manner of articulation, mid, mixed number, modification, monophthong, monophthongal, morphophoneme, mute, muted, narrow, nasal, nasalized, negative, numeral, numerary, numerative, numeric, occlusive, odd, open, ordinal, oxytone, pair, palatal, palatalized, parasitic vowel, peak, pharyngeal, pharyngealization, pharyngealized, phone, phoneme, phonemic, phonetic, phonic, pitch, pitched, plosive, polygonal number, positive, possible, posttonic, prime, prime number, prothetic vowel, pure imaginary, radical, rational, rational number, real, real number, reciprocal, rectangular number, retroflex, round number, rounded, segmental phoneme, semivowel, serial number, soft, sonant, sonority, speech sound, stone-deaf, stop, stopped, stressed, strong, stunned, submultiple, syllabic, syllabic nucleus, syllabic peak, syllable, tense, thick, thick of hearing, throaty, tonal, tone-deaf, tonic, transcendental, transcendental number, transfinite number, transition sound, triphthong, twangy, unaccented, unhearing, unrounded, unstressed, velar, vocable, vocalic, vocoid, voice, voiced, voiced sound, voiceless, voiceless sound, voicing, vowel, vowellike, weak, whole number, wide, word-deaf
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Surbased
Surbate
Surbeat
Surbed
Surbet
Surcease
Surceaseance
Surcharge
surcharged steam
Surchargement
Surcharger
Surcingle
Surcingled
Surcle
Surcloy
Surcoat
Surcrew
Surculate
Surculation
Surculose
-Surd-
Surdal
Surdiny
Surdity
Sure
Sure-footed
Surely
Surement
Sureness
Suresby
Suretiship
Surety
Suretyship
Surf
Surf bird
Surf clam
Surf duck
Surf fish
surf scoter
Surf smelt
Surf whiting
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