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
A surd is a radical whose meaning cannot be exactly ascertained.
From The Life and Letters of Lewis Carroll (Rev. C. L. Dodgson) by Stuart Dodgson Collingwood
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
Review the method of finding the square root of a binomial surd.
From A Review of Algebra by Romeyn Henry Rivenburg
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
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.
