sinusoid

/ˈsaɪnəˌsɔɪd/
noun
  1. A curve that describes a smooth, repetitive oscillation, like the graph of the sine function; a sine wave.
    • The graph of a sinusoid shows a regular pattern of peaks and valleys.
    • Sound waves can be modeled as a sinusoid.
    • The engineer plotted a sinusoid to represent the alternating current.
Synonyms
What does "sinusoid" mean? | whatsthatwordmean | whatsthatwordmean