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
The second case illustrates a feature of the recurring continued fraction which represents a complete quadratic surd.
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
S has two sounds, soft, or surd, as in soft and this, and hard, or sonant, as in has and wise.
From Division of Words Rules for the Division of Words at the Ends of Lines, with Remarks on Spelling, Syllabication and Pronunciation by Frederick W. (Frederick William) Hamilton
You have made a surd perfectly absurd, and—” “Mr Hasnip!” came from the other end of the great room.
From Burr Junior by H. C. (Harold C.) Earnshaw
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.
