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
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
Adj. deaf, earless†, surd; hard of hearing, dull of hearing; deaf-mute, stunned, deafened; stone deaf; deaf as a post, deaf as an adder, deaf as a beetle, deaf as a trunkmaker†. inaudible, out of hearing.
From Roget's Thesaurus of English Words and Phrases by Roget, Peter Mark
It is classed as a surd spirant, its corresponding sonant spirant being v, which is distinguished from f by being pronounced with voice instead of breath, as may be perceived by pronouncing ef, ev.
From The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar by Various
Review the method of finding the square root of a binomial surd.
From A Review of Algebra by Rivenburg, Romeyn Henry
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.
