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surd
[ surd ]
/ sɜrd /
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This shows grade level based on the word's complexity.
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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ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
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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
How to use surd in a sentence
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
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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