Definition of fundamental note in English:

fundamental note

noun

Music
  • The lowest note of a chord in its original form.

    • ‘A vibrating string, for example, can oscillate as a whole to produce the fundamental note which establishes the pitch of the note we hear.’
    • ‘In extreme cases the overtones generated can be as loud as the fundamental note produced by the string.’
    • ‘The harmonics are secondary notes produced when an instrument is played, with frequencies that are multiples of the fundamental note frequency.’
    • ‘A violin playing the same note will sound distinct because it also generates harmonics of this fundamental note.’
    • ‘The second movement begins with the horn singing all by itself, anchored in a fundamental note and flowering from there.’
    • ‘The result is a note different than the fundamental notes and rich of its own harmonic frequencies.’