sinusoid

American

[sahy-nuh-soid] / ˈsaɪ nəˌsɔɪd /

noun

Mathematics.

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

sinusoid British

/ ˈsaɪnəˌsɔɪd /

noun

any of the irregular terminal blood vessels that replace capillaries in certain organs, such as the liver, heart, spleen, and pancreas
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

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

Etymology

Origin of sinusoid

First recorded in 1815–25; sinus + -oid

Example Sentences

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See Examples For:

sinusoid

Figure 20.5 Types of Capillaries The three major types of capillaries: continuous, fenestrated, and sinusoid.

From Textbooks ● Jun. 19, 2013

A hepatic sinusoid is an open, porous blood space formed by fenestrated capillaries from nutrient-rich hepatic portal veins and oxygen-rich hepatic arteries.

From Textbooks ● Jun. 19, 2013

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023