surd

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surd

 (sûrd)
n.
1. Mathematics An irrational number, such as √2.
2. Linguistics A voiceless sound in speech.
adj. Linguistics
Voiceless, as a sound.
[Medieval Latin surdus, speechless, surd (translation of Arabic (jaḏr) 'aṣamm, deaf (root), surd, translation of Greek alogos, speechless, surd), from Latin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

surd

(sɜːd)
n
1. (Mathematics) maths an expression containing one or more irrational roots of numbers, such as 2√3 + 3√2 + 6
2. (Phonetics & Phonology) phonetics a voiceless consonant, such as (t)
adj
3. (Mathematics) of or relating to a surd
4. (Phonetics & Phonology) of or relating to a surd
[C16: from Latin surdus muffled]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

surd

(sɜrd)

adj.
1. (of a speech sound) voiceless (opposed to sonant).
2. (of a quantity) not capable of being expressed in rational numbers; irrational.
n.
3. a voiceless consonant.
4. a surd quantity.
[1545–55; < Latin surdus muted, literally, deaf]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.surd - a consonant produced without sound from the vocal cords
voiceless consonant
consonant - a speech sound that is not a vowel
Adj.1.surd - produced without vibration of the vocal cords; "unvoiced consonants such as `p' and `k' and `s'"
unvoiced, voiceless, hard
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

surd

[sɜːd] N → número m sordo
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

surd

n (Math) → irrationaler Ausdruck
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

surd

[sɜːd] n (Math) → espressione f irrazionale
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
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References in periodicals archive ?
* How do we know that pi is a transcendental number and not a surd?
Cinema Science: PI AND THE RAPTURE OF COMPLEX MATHEMATICS: While its title already indicates one of its central mathematical topics of concern, Darren Aronofsky's cult paranoid thriller also offers ample prompts for senior secondary students to explore sequences, phenomena such as the golden ratio and Pythagoras' theorem, and more intricate concepts like irrational numbers and recursion, as DAVE CREWE outlines
(64) Bias introduces surds into the social and historical process and therefore fosters historical decline.
"Aiming excessively high and far": the early Lonergan and the challenge of theory in Catholic social thought
Julius Surds JR Clark Atlanta University Bobby Watkins SR St.
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Along these lines, Rodney Fletcher invites readers to develop a taste for this appreciation by investigating generation patterns that form in the numerators and denominators of sequences of rational numbers converging to surds of their choice.
Mathematics in the new Australian curriculum
There is little to be gained from a department of English where the department's head cannot speak or write a grammatically correct non- trivial sentence of English; a physics department where the head is confused about the operation of an incandescent light bulb; a mathematics department where graduate students have problems with elementary surds and roots; or a biology department where evolution is thought to be new-fangled and quite unnecessary to teach as part of modern biology.
Pakistan's higher education system--what went wrong and how to fix it
Mere disparate givens remain undigested surds. Integrated accounts map a world in charts that gain clarity and authority with every connection they make, confirming externally and unasked what was supposed internally and heuristically, or metaphysically, all along: That the world itself is an integrated system, its causal connections reflected in our causal narratives.
An idea is not something mute like a picture on a pad
The dictionary said to rationalise was to 'make clear of surds (the irrational)' so why didn't she get it?
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