Definition, Meaning & Synonyms

sinusoid

noun

/ˈsaɪ.nə.sɔɪd/

Definition

A sinusoid is a mathematical curve that describes a smooth, periodic oscillation. It is commonly represented by the sine function and can be graphed as a wave-like pattern.

Examples

The voltage in an AC circuit often varies in a sinusoidal manner.
The sinusoid model helps in analyzing sound waves.
Engineers frequently use sinusoids to represent waveforms in their designs.

Meaning

The term ‘sinusoid’ refers to the shape of a sine wave, which is fundamental in various fields, including physics, engineering, and signal processing. It represents continuous, oscillatory motion.