'Surd' definitions:
Definition of 'surd'
(from WordNet)
Definition of 'Surd'
From: GCIDE
- Surd \Surd\, a. [L. surdus deaf (whence the meaning, deaf to reason, irrational), perhaps akin to E. swart. Cf. Sordine.]
- 1. Net having the sense of hearing; deaf. [Obs.] "A surd . . . generation." --Sir T. Browne. [1913 Webster]
- 2. Unheard. [Obs.] --Kenrick. [1913 Webster]
- 3. (Math.) Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number. [1913 Webster]
- 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, [sect][sect]169, 179, 180. [1913 Webster]
Definition of 'Surd'
From: GCIDE
- Surd \Surd\, n. (Math.)
- 1. A quantity which can not be expressed by rational numbers; thus, [root]2 is a surd. [1913 Webster]
- 2. (Phon.) A surd element of speech. See Surd, a., 4. [1913 Webster]
Synonyms of 'surd'
From: Moby Thesaurus
- 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,
- Gaussian integer,
- 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