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sinusoid

[ sahy-nuh-soid ]

noun

, Mathematics.
  1. a curve described by the equation y = a sin x, the ordinate being proportional to the sine of the abscissa.


sinusoid

/ ˈsaɪnəˌsɔɪd /

noun

  1. any of the irregular terminal blood vessels that replace capillaries in certain organs, such as the liver, heart, spleen, and pancreas
  2. another name for sine curve
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. resembling a sinus
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of sinusoid1

First recorded in 1815–25; sinus + -oid
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Word History and Origins

Origin of sinusoid1

C19: from French sinusoïde. See sinus , -oid
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Example Sentences

Zubieta said it was no accident that sounds created on a circular or sinusoid instrument resemble those created through electronic looping and sequencing.

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Sinus of Valsalvasinusoidal