n.
Pronunciation: ˌ ä-s ə - ' l ā -sh ə n
Function: noun
Date: 1658
1 : the action or state of oscillating
2 : VARIATION , FLUCTUATION
3 : a flow of electricity changing periodically from a maximum to a minimum especially : a flow periodically changing direction
4 : a single swing (as of an oscillating body) from one extreme limit to the other
– os · cil · la · tion · al \ -shn ə l, -sh ə -n ə l \ adjective