sinusoid

Thân thiện

Definition

1. Noun:
   • A mathematical curve: A sinusoid is the graph of the sine function, typically represented by the equation y = sin x. It is a smooth, periodic wave that oscillates between -1 and 1.
   • A small blood vessel: In anatomy, a sinusoid is a tiny, irregularly shaped blood vessel with a lining of endothelial cells, found in certain organs like the liver, spleen, and bone marrow.

Usage Examples

• Noun (Mathematics):

  • The alternating current produced a perfect sinusoid on the oscilloscope.
  • To model the sound wave, the engineer plotted a sinusoid.

• Noun (Anatomy):

  • Blood flows slowly through the hepatic sinusoids to allow for filtration.
  • The spleen contains sinusoids that help remove old red blood cells.

Advanced Usage

• "Sinusoidal" (Adjective): Describing something that has the form or characteristics of a sine wave.
  • The pendulum exhibited a perfectly sinusoidal motion.
  • The data showed a sinusoidal pattern over time.

Variants and Related Words

• Sinusoidal (adj): Having the form of a sine wave.
• Sinus (noun): A cavity or hollow space, often in bone or tissue (related to the anatomical meaning).

Synonyms

• Sine wave (for the mathematical curve).
• Capillary-like vessel or discontinuous capillary (for the anatomical structure).

Related Phrases

• Sinusoidal function: A function that generates a sinusoid, such as sine or cosine.
  • The cosine graph is also a sinusoid, merely phase-shifted.
• Sinusoidal current: An electric current whose magnitude varies as a sine wave.
  • The motor is designed to run on sinusoidal current.

Học thuật

Noun

1. the curve of y=sin x
2. tiny endothelium-lined passages for blood in the tissue of an organ

Từ đồng nghĩa

• sine curve