One of the mysteries of the English language finally explained.
A wind blowing steadily toward the equator from the northeast in the northern hemisphere or the southeast in the southern hemisphere, especially at sea. Two belts of trade winds encircle the earth, blowing from the tropical high-pressure belts to the low-pressure zone at the equator.
- ‘The trade winds from both hemispheres converge towards the doldrums and a zone of low pressure, the equatorial trough, that girdles the earth.’
- ‘The highs provide the driving force behind the southeast trade winds which dominate the Territory's weather in the winter months.’
- ‘But with the southeast trade winds blowing, we vowed to return once the wind had abated.’
- ‘The shore, one of the most westerly in Africa, is cooled by the north-east trade winds, taking some of the edge off the searing tropical heat.’
- ‘The monsoon season begins in summer when northeast trade winds reverse direction and carry water-saturated air inland.’
- ‘In Namibia, the northwesterly trade wind is the trademark of August.’
- ‘Prevailing trade winds transported them equatorward across the southern edge of Baltica to the Russian Platform.’
- ‘Like the trade winds on Earth, these rivers of plasma transport gas beneath the Sun's fiery surface.’
- ‘If we get the trade wind, a south westerly, our task will be that much easier but it's still a daunting prospect.’
- ‘The strong temperature contrast across the Pacific means the easterly trade winds will be enhanced for the Pacific Ocean.’
- ‘The water is flat calm even as the region's stiff and steady easterly trade winds blow every day at 15-20 mph - absolutely perfect windsurfing conditions.’
- ‘The southeast trade wind blows softly from the Coral Sea.’
- ‘‘The bottle travels with the trade winds and prevailing ocean currents, and winds up on the west coast of Scotland or Ireland,’ he said.’
- ‘Normally, the trade winds blow west in the tropical Pacific.’
- ‘The northeast trade winds further south, so called because they blow in this direction for much of the year, was where the sailing clippers used to head for guaranteed wind.’
- ‘We've walked along gorgeous, empty beaches strewn with sun-baked coconuts and treasures blown in by northeastern trade winds.’
- ‘Average air temperatures of 28°C and water temperatures only a shade lower, with a constant trade wind giving the islands an arid climate.’
- ‘It's 80 degrees, and there's a warm trade wind blowing in.’
- ‘The Atlantic zone receives trade winds and has high rainfall year-round.’
- ‘Most of the time the pretty steady, east-to-west trade winds ensure there is a breeze, but the air the trade winds bring is warm and humid.’
Mid 17th century: from the phrase blow trade ‘blow steadily in the same direction’. Because of the importance of these winds to navigation, 18th-century etymologists were led erroneously to connect the word trade with ‘commerce’.
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