English-Thai Dictionary
surd
ADJ เกี่ยวกับ ราก ไม่รู้จบ เกี่ยวกับ ตัว เลขที่ หาราก ไม่ลงตัว irrational radical kiao-kab-rak-mai-ru-job
surd
ADJ เป็น พยัญชนะ ที่ ไม่ มีเสียง unvoiced voiceless pen-pa-yan-cha-na-ti-mai-me-siang
surd
N ตัว เลขที่ มี ราก ไม่รู้จบ ตัว เลขที่ หาราก ไม่ลงตัว irrational root irrational number tua-lek-ti-me-rak-mai-ru-job
surd
N พยัญชนะ ที่ ไม่ มีเสียง ออกมา พยัญชนะ ไร้ เสียง voiceless sound unvoiced consonant pa-yan-cha-na-ti-ma-me-sing-ook-ma
Webster's 1828 Dictionary
SURD
a.[L. surdus, deaf. ] Deaf; not having the sense of hearing. [Not used. ] 1. Upheard. [Not used. ]
2. Designating a quantity whose root cannot be exactly expressed in numbers.
SURD
n.In algebra, a quantity whose root cannot be exactly expressed in numbers. Thus 2 is a surd number, because there is no number which multiplied into itself, will exactly produce 2.
SURDITY
n.Deafness. [Not used. ]
Webster's 1913 Dictionary
SURD
Surd, a. Etym: [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.
2. Unheard. [Obs. ] Kenrick.
3. (Math. )
Defn: Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number.
4. (Phonetics )
Defn: 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, 18 .
SURD
SURD Surd, n. (Math. )
1. A quantity which can not be expressed by rational numbers; thus, *2 is a surd.
2. (Phon. )
Defn: A surd element of speech. See Surd, a., 4.
SURDAL
SURDAL Surd "al, a. (Math. )
Defn: Same as Surd, a., 3.
SURDINY
SURDINY Surd "i *ny, n.
Defn: A sardine. [Obs. ] Beau. & Fl.
SURDITY
Surd "i *ty, n. Etym: [L. surditas. ]
Defn: Deafness. [Obs. ]
New American Oxford Dictionary
surd
surd |sərd sərd | ▶adjective 1 Mathematics (of a number ) irrational. 2 Phonetics (of a speech sound ) uttered with the breath and not the voice (e.g., f, k, p, s, t ). ▶noun 1 Mathematics a surd number, esp. the irrational root of an integer. 2 Phonetics a surd consonant. ORIGIN mid 16th cent.: from Latin surdus ‘deaf, mute ’; as a mathematical term, translating Greek (Euclid ) alogos ‘irrational, speechless, ’ apparently via Arabic jiḏr aṣamm, literally ‘deaf root. ’ The phonetics senses date from the mid 18th cent.
Oxford Dictionary
surd
surd |səːd | ▶adjective 1 Mathematics (of a number ) irrational. 2 Phonetics (of a speech sound ) uttered with the breath and not the voice (e.g. f, k, p, s, t ). ▶noun 1 Mathematics a surd number, especially the irrational root of an integer. 2 Phonetics a surd consonant. ORIGIN mid 16th cent.: from Latin surdus ‘deaf, mute ’; as a mathematical term, translating Greek (Euclid ) alogos ‘irrational, speechless ’, apparently via Arabic jiḏr aṣamm, literally ‘deaf root ’. Sense 2 of the adjective dates from the mid 18th cent.
Duden Dictionary
Surditas
Sur di tas Substantiv, feminin Medizin , die |S u rditas |die Surditas; Genitiv: der Surditas zu lateinisch surditas, zu: surdus = taub Taubheit
Surdomutitas
Sur do mu ti tas Substantiv, feminin Medizin , die |Surdom u titas |die Surdomutitas; Genitiv: der Surdomutitas gebildet aus Surditas und fachsprachlich Mutitas, vgl. Mutität , Mutismus Taubstummheit
French Dictionary
surdité
surdité n. f. 1 État de la personne sourde. 2 Perte plus ou moins complète du sens de l ’ouïe. : Il souffre de surdité partielle.
surdose
surdose n. f. nom féminin Dose excessive de médicament, de drogue. : Il a succombé à une surdose (et non à une *overdose ).
surdoué
surdoué , ée adj. et n. m. et f. adjectif et nom masculin et féminin Se dit d ’une personne plus douée que la moyenne, dont le quotient intellectuel est très élevé.