Mathematics An irrational number, such as √2.(noun)
Linguistics A voiceless sound in speech.(noun)
Linguistics Voiceless, as a sound.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "surd" in a sentence
"Jeremy Piven winning an Emmy three years in a row for that role, is up surd."
"So even though she may find her own action inexplicable or “surd,” she is in fact acting rationally, although she does not know it."
"County Monachan, whereat samething is rivi-sible by nighttim, may be involted into the zeroic couplet, palls pell inhis heventh glike noughty times ì, find, if you are not literally cooefficient, how minney combinaisies and per-mutandies can be played on the international surd! pthwndxrclzp!, hids cubid rute being extructed, taking anan illitterettes, ififif at a tom."