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
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
Do you mean to say that you are not able to tell me what a surd is?
From A Portrait of the Artist as a Young Man by James Joyce
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
We may say that the sonant consonant and its corresponding surd are the hard and soft forms of the same sound.
From The Art Of Writing & Speaking The English Language Word-Study and Composition & Rhetoric by Sherwin Cody
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.
