What is "underwind"

Usage examples of "underwind".

It was the underwind, the wind that blew from the frozen half of the planet, that breathed cold from beyond the ice barrier.

It was here that the ice barrier crossed the ranges of the Mountains of Eternity, and the cold underwind, thrust up by the mighty range, met the warm upper winds in a struggle that was one continuous storm, such a storm as only Venus could provide.

So they had spent two busy weeks provisioning and equipping the rocket, had ridden high above the ice barrier that bounds the twilight zone, and dashed frantically through the storm line, where the cold underwind from the sunless side meets the hot upper winds that sweep from the desert face of the planet.

A world without motion, frozen and sterile, save for the moaning of the underwind outside, not hindered here as the barrier shielded it from the Cool Country.

Then the scene had some of the unreality and all of the immobility and silence of a picture, but now it was actually around them, and the cold breath and mournful voice of the underwind proved definitely enough that the world was real.

The air that came in was cold, of course, but pure with the breath of the underwind, sterile and dustless from its sweep across five thousand miles of frozen oceans.

The same veined and bulbous plants, the same eternal underwind, the same laughter from bloodthirsty trioptic throats.

Earth, because it raised one closer to the region of the upper winds, and here in the Mountains of Eternity the underwind howled less persistently, broken into gusts by the mighty peaks.

The gusty underwind moaned more steadily now, and glancing along the ridge, Pat saw that every one of the cave creatures was slipping like Oscar into his burrow.

Again at their left, the wildly mocking laughter of the night dwellers followed them, drifting eerily down on the underwind, and twice far-flung stones chipped glittering ice from neighboring spires.

Sabin continued to underwind the clocks, carefully allowing their mechanisms to slow, their springs to expand, their hands to shift less sharply, so that time itself geared down to a lazier pace.

In his gloved hands, he picked it up, wound it slowly--always better to underwind than over---and carefully slipped it between the sheets of bubble wrap in a large white envelope.