As 1 crossed the last hill, a single wave rose and came toward me.

A single wave of infrared light is very low energy, cannot go through the human body, and can only warm it.

It turned and gave a single abrupt wave back at the ship.

Q. Was there any single wave that stood out in your mind?

As a result, the simple case of a single sinusoidal wave can be applied to more general cases.

That's the bit I like best; the romance of travel captured in a single wave.

A single wave passed under their island and all was still again.

A single wave, the length of the beach, curled and did not fall.

The second pass after removing the card should show a single wave.

Then there was the sea itself, where a morning's work could be "swept away by a single wave."