[ sahy-nuh-soid ]
/ ˈsaɪ nəˌsɔɪd /
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a curve described by the equation y = a sin x, the ordinate being proportional to the sine of the abscissa.
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Words nearby sinusoid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for sinusoid
/ (ˈsaɪnəˌsɔɪd) /
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
resembling a sinus
Word Origin for sinusoid
C19: from French sinusoïde. See sinus, -oid
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
Medical definitions for sinusoid
[ sī′nə-soid′, -nyə- ]
Any of the venous cavities through which blood passes in various glands and organs, such as the adrenal gland and the liver.
Resembling a sinus.
Other words from sinusoidsi′nu•soi′dal (-soid′l) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.