英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

surd    
a. 无理数的,不尽根的,清音的
n. 无理数,不尽根数,清音

无理数的,不尽根的,清音的无理数,不尽根数,清音

surd
adj 1: produced without vibration of the vocal cords; "unvoiced
consonants such as `p' and `k' and `s'" [synonym: {unvoiced},
{voiceless}, {surd}, {hard}] [ant: {soft}, {sonant},
{voiced}]
n 1: a consonant produced without sound from the vocal cords
[synonym: {surd}, {voiceless consonant}]

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]


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]

202 Moby Thesaurus words for "surd":
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


请选择你想看的字典辞典:
单词字典翻译
surd查看 surd 在百度字典中的解释百度英翻中〔查看〕
surd查看 surd 在Google字典中的解释Google英翻中〔查看〕
surd查看 surd 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Surds - Math is Fun
    When we can't simplify a number to remove a square root (or cube root etc) then it is a surd Have a look at these examples (including cube
  • Surds and Indices - Definition, Types, Rules, and Practice Problems
    The Latin meaning of the word "Surd" is deaf or mute In earlier days, Arabian mathematicians called rational numbers and irrational numbers as audible and inaudible
  • Surds: Definition, Rules, Types, and Solved Examples
    A root of a positive real number is called a surd if we cannot remove the root symbol after simplification Examples of surds: Note that we cannot remove the root symbol from 2, 3; so by definition they are surds
  • Surds in Maths: Definition, Laws, Types Solved Examples
    Understand surds in maths with clear definitions, laws, types, and step-by-step examples Master surd rules for exams and competitive tests easily
  • Introduction to Surds (examples, solutions, videos, worksheets, games . . .
    In mathematics, a surd is an irrational number that is expressed as a root (like a square root, cube root, etc ) of a rational number, where the root cannot be simplified to a whole number or a rational fraction
  • Surds - An Introduction - Irrational Numbers and Rules - Laerd
    It is done by eliminating the surd in the denominator This is shown in Rules 3, 5 and 6 It can often be necessary to find the largest perfect square factor in order to simplify surds The largest perfect square factor is found by looking at any possible factors of the number that is being square rooted
  • Surds Definition - BYJUS
    One method is to rationalize the denominators, which helps to eject the surd in the denominator Sometimes it may be mandatory to find the greatest perfect square factor to solve surds
  • Surds: Definition, Rules, Properties, Uses Solved Examples
    A surd is a number that has been square-root In general, such roots are irrational; however, irrational numbers also include other numbers that cannot be expressed as the root of a rational number
  • What are Surds? Definition, Examples More - BrightChamps
    A surd is a mathematical term used to describe irrational numbers that can be expressed as the root of an integer When a root cannot be simplified further, we call that a surd
  • Surds - GCSE Maths Definition
    For example, 3 and 5 are non-square integers so and are surds, but 4 is a square integer so is not a surd, because it simplifies to a whole number, All surds are irrational (they cannot be written as a whole number or as a fraction with whole numbers on top and bottom), which means their decimal forms are never-ending with no recurring patterns





中文字典-英文字典  2005-2009