n.
Pronunciation: ˌ mä-j ə - ' l ā -sh ə n
Function: noun
Date: 1501
1 : an inflection of the tone or pitch of the voice specifically : the use of stress or pitch to convey meaning
2 : a regulating according to measure or proportion : TEMPERING
3 : a change from one musical key to another by modulating
4 : the process of modulating a carrier or signal (as in radio) also : the result of this process