It was rather an undulation of the A flat major chord here and there thrown aloft anew by the pedal.
No undulation of air can there convey sound, song, or speech.
In the present case the undulation takes place from the bottom upwards.
It is because—this is my hypothesis—these properties, if they are in the undulation, are not there alone.
We must learn to look upon time as a movement of eternity, as an undulation in the ocean of being.
In undulation, not one wave is like another; in vibration, every pulse is alike.
The horizon line of the metamorphic hills, though fantastic, will have more of curve and undulation.
The motion of this latter is thought, of which perception is the first undulation.
It swayed with a truly Hellenic undulation like the pictures in the mythology.
No undulation, no wrinkle, no projection changed its shape or moved its place.