[ sahy-nuh-soid ]
/ ˈsaɪ nəˌsɔɪd /
a curve described by the equation y = a sin x, the ordinate being proportional to the sine of the abscissa.
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
Words nearby sinusoid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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.