fondamentalecommon nounadjectiveSyllable DecompositionfondamentaleEtymologyexpandsee fundamental.Definition1. Reference note of a chord giving it its name. Not to be confused with the lowest note of a chord: its bass. These two notions coincide only when the chord is presented as a stack of thirds, in which case it is said to be in its fundamental state.musiqueexpandDans l'accord de sol majeur (sol-si-ré), la fondamentale est le sol.See alsofondamental (adj.) fondamental (cn.) fondamentale (adj.) fondamentales (adj.) fondamentaux (adj.)