Definition of sinusoid in English:

sinusoid

Syllabification: si·nus·oid
Pronunciation: /ˈsīnəˌsoid
 
/

noun

1A curve having the form of a sine wave.
More example sentences
  • The Fourier transform decomposes or separates a waveform or function into sinusoids of different frequency which sum to the original waveform.
  • Most transient signals, which are exponentially damped sinusoids, cannot be wavelet basis functions because of their nonzero mean.
  • A digital tone generator produced a pure tone sinusoid, and the intensity envelope was visually adjusted to fit the envelope of a representative call of the population.
2 Anatomy A small irregularly shaped blood vessel found in certain organs, especially the liver.
More example sentences
  • One patient had sickle cell anemia and showed sickled red blood cells in the dilated sinusoids.
  • In the liver, larvae move freely in the sinusoids.
  • Occasionally, the spindle cells invaded the sinusoids, replacing the normal endothelium.

Origin

early 19th century: from French sinusoïde, from Latin sinus (see sinus).

Derivatives

sinusoidal

Pronunciation: /ˌsīnəˈsoidl/
adjective
More example sentences
  • Many standard curves occur as sinusoidal spirals.
  • Visual observations of hair bundle motion showed sinusoidal or nearly sinusoidal motion.
  • If you're not familiar with the Fourier transform, its purpose is to decompose a function into sinusoidal basis functions.

sinusoidally

Pronunciation: /ˌsīnəˈsoidəlē/
adverb
More example sentences
  • Modulating the current density periodically with a pseudo-sine wave generates the sinusoidally varying porosity gradient that creates the rugate filter.
  • Seven subjects walked on a programmable treadmill both at constant and oscillating speeds, set to sinusoidally change between the two limits in 3 seconds.
  • The light can be pulsed, sinusoidally modulated, or unmodulated, depending on the requirements for speed, cost, and resolution.

Definition of sinusoid in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day antebellum
Pronunciation: ˌantɪˈbɛləm
adjective
occurring or existing before a particular war…