long wave

A molecule of carbon dioxide traps heat, radiant heat, the long wave end of the spectrum.

At last, having given that up, he tuned in on long wave lengths and at once began picking up something.

The monks had sought him everywhere, and at dawn had found him lying in the hollow of the long wave that washes Iona on the north.

Already the rush of a long wave would send the water lapping around their horses' feet.

It stopped there; and a long wave broke with a roar, and rushed up in gleaming foam almost to their feet.

But the singing continued; others joined in it, and soon it swelled to a long wave of song and flowed over that human sea.