seismic waves

The masterpiece is huge, but structurally flawed and terribly vulnerable to seismic activity.

It will be remembered that pitch depends upon the rapidity of the sound waves or vibrations.

A biggish sea running, subsiding as the day went on—and my mind grew calmer with the waves.

The next morning a gust of wind carried him, and him only, out of the boat into the waves, and he was never seen again.

Then waves of grief broke over her, and she sobbed convulsively; but still she shed no tears.

On three sides, the cliffs rise so precipitously from the waves, that all access is impossible.