air current

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Noun1.air current - air moving (sometimes with considerable force) from an area of high pressure to an area of low pressureair current - air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure; "trees bent under the fierce winds"; "when there is no wind, row"; "the radioactivity was being swept upwards by the air current and out into the atmosphere"
airstream - a relatively well-defined prevailing wind
calm air, calm - wind moving at less than 1 knot; 0 on the Beaufort scale
breeze, gentle wind, zephyr, air - a slight wind (usually refreshing); "the breeze was cooled by the lake"; "as he waited he could feel the air on his neck"
chinook, chinook wind, snow eater - a warm dry wind blowing down the eastern slopes of the Rockies
harmattan - a dusty wind from the Sahara that blows toward the western coast of Africa during the winter
crosswind - wind blowing across the path of a ship or aircraft
foehn, fohn - a warm dry wind that blows down the northern slopes of the Alps
khamsin - an oppressively hot southerly wind from the Sahara that blows across Egypt in the spring
Santa Ana - a strong hot dry wind that blows in winter from the deserts of southern California toward the Pacific Coast
high wind - a very strong wind; "rain and high winds covered the region"
headwind - wind blowing opposite to the path of a ship or aircraft
catabatic wind, katabatic wind - a wind caused by the downward motion of cold air
tailwind - wind blowing in the same direction as the path of a ship or aircraft
doldrums - a belt of calms and light winds between the northern and southern trade winds of the Atlantic and Pacific
east wind, easterly, easter - a wind from the east
northwest wind, northwester - a wind from the northwest
southwester, sou'wester - a strong wind from the southwest
sou'easter, southeaster - a strong wind from the southeast
gale - a strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale
gust, blast, blow - a strong current of air; "the tree was bent almost double by the gust"
monsoon - a seasonal wind in southern Asia; blows from the southwest (bringing rain) in summer and from the northeast in winter
monsoon - any wind that changes direction with the seasons
boreas, north wind, norther, northerly - a wind that blows from the north
prevailing wind - the predominant wind direction; "the prevailing wind is from the southwest"
samiel, simoom, simoon - a violent hot sand-laden wind on the deserts of Arabia and North Africa
south wind, souther, southerly - a wind from the south
squall - sudden violent winds; often accompanied by precipitation
thermal - rising current of warm air
draft, draught - a current of air (usually coming into a chimney or room or vehicle)
atmospheric condition, weather, weather condition, conditions - the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation; "they were hoping for good weather"; "every day we have weather conditions and yesterday was no exception"; "the conditions were too rainy for playing in the snow"
west wind, wester - wind that blows from west to east
air - a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air"
References in classic literature ?
He did not wish to chance rising to some higher air current that would bear him away.
The man's as contrary as air currents or water currents.
It was a purely scientific research party sent out by my father's father, the Jeddak of Helium, to rechart the air currents, and to take atmospheric density tests," replied the fair prisoner, in a low, well-modulated voice.
Some freak of air pressures and air currents, he reflected, had made it possible for the sound to carry so far.
Gulf's Air current fleet consists of two A319-100s, 16 A320-200s, four A321-200s and ten A330-200s with its two EMB-190s having already been retired from the fleet earlier this month and due for return to the lessor.
The sample exhauster's directed high volume air current can reach 2800 L/min, minimizing thermal load during the grinding process.
Those results showed that the wet air current flowed at 1,990 miles (3,200 kilometers) a second-about as fast as a major river.
Its slim and smooth profile eliminates noise related to high-speed rotation, while it reduces the air current created by the hex nuts and slots on the periphery of most toolholders.
This circular air current around the board eliminates hot spots by producing consistent temperature, pressure, velocity, volume and direction across the board.
Using a looped rope travelling through a tube with evenly spaced discs to create a moving air current, conveyors maintain high throughout rates of up to 120 tonnes/hr, elevating material from a ground-level feed hopper to heights of up to 25 m at any angle.
Near Chile, Fossett was forced to move Spirit of Freedom off route, losing a favourable air current.
Aero-mechanical conveyors comprise a rope loop travelling through a tube with spaced discs secured to it, creating a moving air current and virtually eliminating material degradation, with no cyclone or filter needed to separate the product from the air.