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
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Surds - Math is Fun Surds and Indices - Definition, Types, Rules, and Practice . . . - Cuemath Surd - Wikipedia SURD Definition Meaning - Merriam-Webster Summer Undergraduate Research Diversity Program (SURD) | College of . . . Introduction to Surds (examples, solutions, videos, worksheets, games . . . Surds: Definition, Rules, Types, and Solved Examples Surds Calculator SURD definition in American English | Collins English Dictionary Surds - Surds - AQA - GCSE Maths Revision - AQA - BBC Bitesize