Node
An imaginary line or surface in a resonator where the amplitude (in a specified direction) is zero and across which the amplitude (as measured in the same specified direction) changes phase by 180°.
Also see —
Antinode
Nodal region
An imaginary line or surface in a resonator where the amplitude (in a specified direction) is zero and across which the amplitude (as measured in the same specified direction) changes phase by 180°.
Also see —
Antinode
Nodal region