sinusoid 1823 in mathematics; 1900 in physiology, from SINUS (Cf. sinus) + -OID (Cf. -oid). Related: Sinusoidal.

Etymology dictionary. 2014.

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  • Sinusoid — Si nus*oid, n. [Sinus + oid.] (Geom.) The curve whose ordinates are proportional to the sines of the abscissas, the equation of the curve being y = a sin x. It is also called the {curve of sines}. [1913 Webster] …   The Collaborative International Dictionary of English

  • sinusoid — [sī′nəs oid΄] n. SINE CURVE sinusoidal adj …   English World dictionary

  • Sinusoid — Ein Sinusoid (Adjektiv sinusoidal) ist eine sinusförmige Funktion, die aus der Sinusfunktion durch Skalierung von Amplitude und Frequenz sowie Phasenverschiebung gebildet wird: . Darin ist A die Skalierung der Amplitude, ω die Skalierung der… …   Deutsch Wikipedia

  • sinusoid — sinusoidė statusas T sritis automatika atitikmenys: angl. sinusoid vok. Sinusoide, f rus. синусоида, f pranc. sinusoïde, f …   Automatikos terminų žodynas

  • sinusoid — sinusoidė statusas T sritis fizika atitikmenys: angl. sine curve; sinusoid vok. Sinuskurve, f; Sinusoide, f rus. синусоида, f pranc. courbe sinusoïdale, f; sinusoïde, f …   Fizikos terminų žodynas

  • sinusoid — noun Etymology: Medieval Latin sinus sine Date: 1823 1. sine curve, sine wave 2. [New Latin sinus] a minute endothelium lined space or passage for blood in the tissues of an organ (as the liver) …   New Collegiate Dictionary

  • sinusoid — /suy neuh soyd /, n. Math. a curve described by the equation y = a sin x, the ordinate being proportional to the sine of the abscissa. [1815 25; SINUS + OID] * * * ▪ anatomy       irregular tubular space for the passage of blood, taking the place …   Universalium

  • sinusoid — 1. noun a) A sine curve. b) Any of several channels through which venous blood passes in various organs. 2. adjective a) sinusoidal. b) That resembles a …   Wiktionary

  • sinusoid — 1. Resembling a sinus. 2. Sinusoidal capillary; a thin walled terminal blood vessel having an irregular and larger caliber than an ordinary capillary; its endothelial cells have large gaps and the basal lamina is either discontinuous or absent.… …   Medical dictionary

  • sinusoid — sinuso|i̱d [↑Sinus u. ↑]: hohlraumähnlich …   Das Wörterbuch medizinischer Fachausdrücke

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