fundamental

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fundamental

1. Music denoting or relating to the principal or lowest note of a harmonic series
2. of or concerned with the component of lowest frequency in a complex vibration
3. 
a. the principal or lowest note of a harmonic series
b. the bass note of a chord in root position
4. Physics
a. the component of lowest frequency in a complex vibration
b. the frequency of this component

fundamental

[¦fən·də¦ment·əl]
(physics)
The lowest frequency component of a complex wave. Also known as first harmonic; fundamental component.
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