surd
[ surd ]
/ sɜrd /
adjective
Phonetics. voiceless (opposed to sonant).
Mathematics. (of a quantity) not capable of being expressed in rational numbers; irrational.
noun
Phonetics. a voiceless consonant (opposed to sonant).
Mathematics. a surd quantity.
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Origin of surd
First recorded in 1545–55, surd is from the Latin word surdus dull-sounding, mute, deaf
Words nearby surd
surcease, surcharge, surcingle, surcoat, surculose, surd, sure, sure as shooting, sure cure, sure-enough, surefire
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for surd
British Dictionary definitions for surd
surd
/ (sɜːd) /
noun
maths an expression containing one or more irrational roots of numbers, such as 2√3 + 3√2 + 6
phonetics a voiceless consonant, such as (t)
adjective
of or relating to a surd
Word Origin for surd
C16: from Latin surdus muffled
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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