surd
sɜːd
Definition Synonyms

Definition of surd - Reverso English Dictionary

Noun

1.
arithmeticTECH.UKirrational number expressed with a square rootTECH.UK
  • The number √2 is a classic surd.
irrational number radical
2.
linguisticsTECH.consonant sound made without vocal cord vibrationTECH.
  • The 't' in 'top' is a surd.
nonvocal unvoiced voiceless

Adjective

1.
phoneticsTECH.produced without vocal cord vibrationTECH.
  • The sound is classified as surd in phonetics.
unvoiced voiceless
2.
mathematicsTECH.irrational or not expressible as a rational numberTECH.
  • The square root of 2 is a surd number..
irrational
Add a suggestion |

Origin of surd

Latin, surdus (deaf or mute)

Examples of surd in a sentence

  • The expression contains a surd that needs simplifying.
  • In phonetics, a surd is voiceless.
  • The 'k' in 'sky' is classified as a surd.
  • The linguist explained the surd consonants.
  • Surd sounds are common in many languages.
  • The value of pi is a surd quantity.

View all translations of surd

Click below to see the appropriate translations facing each meaning.
  1. French:nombre exprimé par une racine carrée, sourd, ...
  2. German:irrationale Zahl, stimmlos, ...
  3. Italian:numero irrazionale, sordo, ...
  4. Spanish:raíz irracional, sordo, ...
  5. Portuguese:radical, sordo, ...
  6. Chinese:根式, 清音的, ...
  7. Japanese:無理数, 無声音の, ...
  8. Arabic:جَذْر أَصَم, مَهْمُوس, ...
  9. Hebrew:סוּרְד, חֲסַר קוֹל, ...
  10. Russian:иррациональное число, глухой, ...
  11. Ukrainian:ірраціональне число, глухий, ...
  12. Hindi:सुरद, अवाक्, ...

Discover how Reverso redefines the dictionary

Go beyond “simple words”

Get more than a simple definition

Go from understanding to mastery