noun
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maths an expression containing one or more irrational roots of numbers, such as 2√3 + 3√2 + 6
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phonetics a voiceless consonant, such as ( t )
adjective
Etymology
Origin of surd
First recorded in 1545–55, surd is from the Latin word surdus dull-sounding, mute, deaf
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It offers private, group and corporate surf lessons, as well as an after-school program, surd camps and rentals, according to its website.
From Washington Times ● Aug. 12, 2021
Tell we, we twain, Unreasons which in life Deal me inexorable, contrary Destinies surd to prayer and tearful woe.
From Library of the World's Best Literature, Ancient and Modern, Vol. VIII by Various
Conversely every positive quadratic surd number, when expressed as a simple continued fraction, will give rise to a recurring fraction.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 2 "Constantine Pavlovich" to "Convention" by Various
Just the same, two and two always make four," he said to himself; "but in my calculations perhaps I have forgotten the surd.
From The Secret of the Night by Leroux, Gaston
Since the fraction is infinite it cannot be commensurable and therefore its value is a quadratic surd number.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 2 "Constantine Pavlovich" to "Convention" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
