Undulation

undulatio-n f. ‘Wellenbewegung, Schwingung’ , vgl. undulieren

the action of moving smoothly up and down: the soft undulation of the waves animates the scene. • [count noun] a smoothly rising and falling form, outline, or movement: the road follows the undulations of the countryside.

• entlehnt von mlat. undulātiō;