Definition of free fall in English:

free fall

noun

mass noun

1Downward movement under the force of gravity only.
the path of a body in free fall
Example sentencesExamples
- Some experienced foreign jumpers displayed hand-in-hand group jumping, wingsuit jumping and somersaults during free fall; all the risky stunts thrilled the audience.
- One was given the impression of a man in free fall descending like a fallen angel into the unforgiving landscape below.
- I can't think of any other film which understands that outside a gravity well, all objects are in free fall.
- Most people at that time believed that the speed of a body in free fall was proportional to the distance it had fallen.
- Even with his results on free fall he was much more interested in proving geometrical theorems than in their relation to the real world.
- He deployed the parachute straight away, jolting him out of free fall.
- Each of the stones whose trajectory Newton illustrated was in free fall toward Earth.
- Finally, mathematical concepts and procedures quite different from those of medieval natural philosophers were adopted by Galileo in reaching his basic law of free fall of heavy bodies.
- Benedetti was an important forerunner of Galileo, worked on the free fall of bodies and proposed a theory almost identical to that which Galileo published in De motu in 1590.
- They are also provided training in military free fall parachuting, forward air control techniques, air traffic control, and other pathfinder related skills.
- And so is the possibility that profit margins will disappear if, say, a company's customers plan to pay in euros, whose value has dropped faster than an elevator in free fall.
- For instance, the law of free fall is affirmed to hold only for motion in a vacuum, and Boyle's Law is affirmed to hold only for changes at constant temperature.
- The contents of the plane are effectively in free-fall, creating weightlessness for all those on-board… and nausea!
- The total energy output, or luminosity indicated by the spectrum, however, was too bright to be powered by gravity and the free fall of matter alone.
- In free fall everything is falling at the same rate and is in a weightless state, so the air is of equal density everywhere on board the spacecraft.
- In all conditions except that of free fall, a live body can be distinguished from an inert structure by the relative disposition of the body parts, its ‘posture’.
- It was an odd sensation, feeling as though one were sitting still, though simultaneously moving at some unguessable speed that could have been a snail's pace or free fall in a void.
- That includes parachuting - both static line and free fall, scuba diving, land navigation, vehicle and boat.
- How long the actual jump lasts: About one minute in free fall and another five minutes in the parachute.
- One of the most important factors in the snake's midair shift from free fall to glide is a dramatic increase in the width of the animal's body.
1. 1.1 A rapid decline that cannot be stopped.
  her career seemed about to go into free fall
  Example sentencesExamples
  Manufacturing fell gradually, until the decline went into free fall with the recession of 2001.
  But government intervention won't stop this market if it goes into free fall.
  With the economy in free fall, those advantages can make all the difference.
  The disintegration of communist governments throughout Europe and the breakup of the Soviet Union in 1991 caused the Cuban economy to go into free fall for a number of years.
  As I have asked the House before, how long would it take for the economy of New Zealand to go into free fall if we had foot-and-mouth come into this country?
  That's why a plan devised at the height of a boom - to cull an oversized surplus - made equally great sense when the economy was in free-fall.
  I tossed and turned at night, worrying that I would never have the things I wanted (success, love, etc.) and generally feeling like my life was in free fall.
  They have suffered in image ever since the market free fall of the late 80s/early 90s and suffered financially since the dot-coms that filled the fiscal void also fell off the map.
  Its stock price in free fall, its market share under attack, its advertising turned to dreck, the greatest marketing machine in the world focused on the most inessential matter imaginable.
  So while student numbers are increasing, quality is falling, and morale is in free-fall.
  But concerted buying of the currency will be inevitable should it go into free fall if the US recovery turns out to be less robust than projected.
  But in the years that followed, his career went into free-fall.
  The problem is that when the financial plug is pulled, as the players fear might happen, clubs go into free fall.
  We will undoubtedly recall that just a decade ago, shares did go into free fall, and it did result in a recession of sorts.
  Let's hope the new major review on the dairy industry finds a solution or at least the means of stopping the free fall.
  A sluggish economy, a stock market free fall, and a government that can't balance its books is a potentially calamitous combination.
  I am only too aware of the potential catastrophe if the stock market were allowed to go into free fall.
  Porsche's sales were in free fall, and losses threatened it with a looming liquidity crisis.
  In the aftermath of the Games, the Australian dollar has suffered a free-fall, plunging to record lows against the US dollar and most other currencies.
  At this point anyone taking a dispassionate view of what has been going on since the markets started to go into free fall early 2001 could be forgiven for detecting more than a hint of desperation in the analysis.
  Now, with print circulation in free fall, publishers have got to serve ads and collect revenue from somewhere.
2. 1.2 The movement of a spacecraft in space without thrust from the engines.
  Example sentencesExamples
  It is not caused by the fact that the shuttle is so far from the Earth; it is produced because the space shuttle is in free fall under the influence of gravity.
  The aeroplane is steered in such a way that the wings deliver no lift at all, so it is in a state of free fall.
  Prior to the final touch down, the spacecraft shuts down the propulsion engine and enters into a free fall descent.
  By the way, a spacecraft orbiting Earth is in free fall as are all objects inside the craft.
  It is true, as you say, that the clock, like the astronauts, is in free fall and we often call that state ‘microgravity’ or zero gravity.
  Cassini-Huygens is in free fall towards Saturn, which means that it is accelerating continuously.
  I must say I was having fearful thoughts for my crew's hearts if we were forced to spend many more months in free fall.
  The International Space Station is also in free fall toward Earth.
  Stability during the free fall is a problem, particularly during the high acceleration phases of entry into denser atmosphere.

verb

[no object]

Move under the force of gravity only; fall rapidly.
I was free-falling and was quickly 1,000 ft below him
Example sentencesExamples
- But some of the scenes - like one of an astronaut free-falling from the space station - really brought home the peril of the job.
- The next second, she was seemingly free-falling through the gray sky, clenching her teeth to avoid screaming as she descended at high speed.
- Within a week a dozen scientific teams will be aboard it as it thrusts skyward, then free-falls - and in so doing briefly cancels out the effect of gravity.
- Boulders slid and rolled down the slope, and eventually free-fell onto the talus slopes below.
- Guests shoot from 0-128 mph in 3.5 seconds along a horizontal track, then 456 ft up a vertical rail, before free-falling towards ground through a 270-degree corkscrew.
- In 1997, five skydivers on a tourist flight from Auckland jumped from a plane, hoping to free-fall to Antarctica.
- Sage, unlike Ash, did not enjoy free-falling in the least.
- In the case of the free-falling body, the two kinds of energy we are concerned with are kinetic energy and potential energy.
- And it is said some sportsmen, to show their skill in free-falling, open their parachutes as late as possible.
- Today's generation is picking up on snow boarding, sand surfing, mountain biking, para-gliding, free-falling, base jumping and even the somewhat bizarre extreme ironing.
- On his 94th birthday, he leapt out of an airplane strapped to a skydiving instructor and free-fell for a mile.
- But the distress caused by my dull outfit was short-lived as I grew confident that my appearance would not be my main concern when I was free-falling at 180 miles per hour.
- With the bar held tight to my chest, I free-fell for what seemed to be an eternity, then tension in my hang strap slowly returned and the glider leveled out.
- After free-falling for more than four and a half minutes, he felt himself slowed by the friction of a gradually thickening atmosphere.
- I free-fell for about four seconds, then reached back, grabbed my pilot chute and tossed it out.
- It has been shown that a 100-micron droplet requires a little over 5 seconds to free-fall 5 feet if no evaporation occurs.

Definition of free fall in US English:

free fall

nounˈfrē ˌfôlˈfri ˌfɔl

1Downward movement under the force of gravity only.
the path of a body in free fall
Example sentencesExamples
- Some experienced foreign jumpers displayed hand-in-hand group jumping, wingsuit jumping and somersaults during free fall; all the risky stunts thrilled the audience.
- It was an odd sensation, feeling as though one were sitting still, though simultaneously moving at some unguessable speed that could have been a snail's pace or free fall in a void.
- They are also provided training in military free fall parachuting, forward air control techniques, air traffic control, and other pathfinder related skills.
- How long the actual jump lasts: About one minute in free fall and another five minutes in the parachute.
- Benedetti was an important forerunner of Galileo, worked on the free fall of bodies and proposed a theory almost identical to that which Galileo published in De motu in 1590.
- Finally, mathematical concepts and procedures quite different from those of medieval natural philosophers were adopted by Galileo in reaching his basic law of free fall of heavy bodies.
- For instance, the law of free fall is affirmed to hold only for motion in a vacuum, and Boyle's Law is affirmed to hold only for changes at constant temperature.
- Even with his results on free fall he was much more interested in proving geometrical theorems than in their relation to the real world.
- One was given the impression of a man in free fall descending like a fallen angel into the unforgiving landscape below.
- In free fall everything is falling at the same rate and is in a weightless state, so the air is of equal density everywhere on board the spacecraft.
- That includes parachuting - both static line and free fall, scuba diving, land navigation, vehicle and boat.
- Most people at that time believed that the speed of a body in free fall was proportional to the distance it had fallen.
- The total energy output, or luminosity indicated by the spectrum, however, was too bright to be powered by gravity and the free fall of matter alone.
- And so is the possibility that profit margins will disappear if, say, a company's customers plan to pay in euros, whose value has dropped faster than an elevator in free fall.
- One of the most important factors in the snake's midair shift from free fall to glide is a dramatic increase in the width of the animal's body.
- Each of the stones whose trajectory Newton illustrated was in free fall toward Earth.
- The contents of the plane are effectively in free-fall, creating weightlessness for all those on-board… and nausea!
- In all conditions except that of free fall, a live body can be distinguished from an inert structure by the relative disposition of the body parts, its ‘posture’.
- I can't think of any other film which understands that outside a gravity well, all objects are in free fall.
- He deployed the parachute straight away, jolting him out of free fall.
1. 1.1 The movement of a spacecraft in space without thrust from the engines.
  Example sentencesExamples
  Prior to the final touch down, the spacecraft shuts down the propulsion engine and enters into a free fall descent.
  The aeroplane is steered in such a way that the wings deliver no lift at all, so it is in a state of free fall.
  It is true, as you say, that the clock, like the astronauts, is in free fall and we often call that state ‘microgravity’ or zero gravity.
  Stability during the free fall is a problem, particularly during the high acceleration phases of entry into denser atmosphere.
  It is not caused by the fact that the shuttle is so far from the Earth; it is produced because the space shuttle is in free fall under the influence of gravity.
  Cassini-Huygens is in free fall towards Saturn, which means that it is accelerating continuously.
  The International Space Station is also in free fall toward Earth.
  By the way, a spacecraft orbiting Earth is in free fall as are all objects inside the craft.
  I must say I was having fearful thoughts for my crew's hearts if we were forced to spend many more months in free fall.

verbˈfrē ˌfôlˈfri ˌfɔl

[no object]

Move under the force of gravity only; fall rapidly.
Example sentencesExamples
- And it is said some sportsmen, to show their skill in free-falling, open their parachutes as late as possible.
- In 1997, five skydivers on a tourist flight from Auckland jumped from a plane, hoping to free-fall to Antarctica.
- After free-falling for more than four and a half minutes, he felt himself slowed by the friction of a gradually thickening atmosphere.
- In the case of the free-falling body, the two kinds of energy we are concerned with are kinetic energy and potential energy.
- Guests shoot from 0-128 mph in 3.5 seconds along a horizontal track, then 456 ft up a vertical rail, before free-falling towards ground through a 270-degree corkscrew.
- Boulders slid and rolled down the slope, and eventually free-fell onto the talus slopes below.
- But the distress caused by my dull outfit was short-lived as I grew confident that my appearance would not be my main concern when I was free-falling at 180 miles per hour.
- The next second, she was seemingly free-falling through the gray sky, clenching her teeth to avoid screaming as she descended at high speed.
- It has been shown that a 100-micron droplet requires a little over 5 seconds to free-fall 5 feet if no evaporation occurs.
- Within a week a dozen scientific teams will be aboard it as it thrusts skyward, then free-falls - and in so doing briefly cancels out the effect of gravity.
- I free-fell for about four seconds, then reached back, grabbed my pilot chute and tossed it out.
- Today's generation is picking up on snow boarding, sand surfing, mountain biking, para-gliding, free-falling, base jumping and even the somewhat bizarre extreme ironing.
- On his 94th birthday, he leapt out of an airplane strapped to a skydiving instructor and free-fell for a mile.
- With the bar held tight to my chest, I free-fell for what seemed to be an eternity, then tension in my hang strap slowly returned and the glider leveled out.
- But some of the scenes - like one of an astronaut free-falling from the space station - really brought home the peril of the job.
- Sage, unlike Ash, did not enjoy free-falling in the least.

单词	free fall
释义	Definition of free fall in English: free fall noun mass noun 1Downward movement under the force of gravity only. the path of a body in free fall Example sentencesExamples Some experienced foreign jumpers displayed hand-in-hand group jumping, wingsuit jumping and somersaults during free fall; all the risky stunts thrilled the audience. One was given the impression of a man in free fall descending like a fallen angel into the unforgiving landscape below. I can't think of any other film which understands that outside a gravity well, all objects are in free fall. Most people at that time believed that the speed of a body in free fall was proportional to the distance it had fallen. Even with his results on free fall he was much more interested in proving geometrical theorems than in their relation to the real world. He deployed the parachute straight away, jolting him out of free fall. Each of the stones whose trajectory Newton illustrated was in free fall toward Earth. Finally, mathematical concepts and procedures quite different from those of medieval natural philosophers were adopted by Galileo in reaching his basic law of free fall of heavy bodies. Benedetti was an important forerunner of Galileo, worked on the free fall of bodies and proposed a theory almost identical to that which Galileo published in De motu in 1590. They are also provided training in military free fall parachuting, forward air control techniques, air traffic control, and other pathfinder related skills. And so is the possibility that profit margins will disappear if, say, a company's customers plan to pay in euros, whose value has dropped faster than an elevator in free fall. For instance, the law of free fall is affirmed to hold only for motion in a vacuum, and Boyle's Law is affirmed to hold only for changes at constant temperature. The contents of the plane are effectively in free-fall, creating weightlessness for all those on-board… and nausea! The total energy output, or luminosity indicated by the spectrum, however, was too bright to be powered by gravity and the free fall of matter alone. In free fall everything is falling at the same rate and is in a weightless state, so the air is of equal density everywhere on board the spacecraft. In all conditions except that of free fall, a live body can be distinguished from an inert structure by the relative disposition of the body parts, its ‘posture’. It was an odd sensation, feeling as though one were sitting still, though simultaneously moving at some unguessable speed that could have been a snail's pace or free fall in a void. That includes parachuting - both static line and free fall, scuba diving, land navigation, vehicle and boat. How long the actual jump lasts: About one minute in free fall and another five minutes in the parachute. One of the most important factors in the snake's midair shift from free fall to glide is a dramatic increase in the width of the animal's body. 1.1 A rapid decline that cannot be stopped. her career seemed about to go into free fall Example sentencesExamples Manufacturing fell gradually, until the decline went into free fall with the recession of 2001. But government intervention won't stop this market if it goes into free fall. With the economy in free fall, those advantages can make all the difference. The disintegration of communist governments throughout Europe and the breakup of the Soviet Union in 1991 caused the Cuban economy to go into free fall for a number of years. As I have asked the House before, how long would it take for the economy of New Zealand to go into free fall if we had foot-and-mouth come into this country? That's why a plan devised at the height of a boom - to cull an oversized surplus - made equally great sense when the economy was in free-fall. I tossed and turned at night, worrying that I would never have the things I wanted (success, love, etc.) and generally feeling like my life was in free fall. They have suffered in image ever since the market free fall of the late 80s/early 90s and suffered financially since the dot-coms that filled the fiscal void also fell off the map. Its stock price in free fall, its market share under attack, its advertising turned to dreck, the greatest marketing machine in the world focused on the most inessential matter imaginable. So while student numbers are increasing, quality is falling, and morale is in free-fall. But concerted buying of the currency will be inevitable should it go into free fall if the US recovery turns out to be less robust than projected. But in the years that followed, his career went into free-fall. The problem is that when the financial plug is pulled, as the players fear might happen, clubs go into free fall. We will undoubtedly recall that just a decade ago, shares did go into free fall, and it did result in a recession of sorts. Let's hope the new major review on the dairy industry finds a solution or at least the means of stopping the free fall. A sluggish economy, a stock market free fall, and a government that can't balance its books is a potentially calamitous combination. I am only too aware of the potential catastrophe if the stock market were allowed to go into free fall. Porsche's sales were in free fall, and losses threatened it with a looming liquidity crisis. In the aftermath of the Games, the Australian dollar has suffered a free-fall, plunging to record lows against the US dollar and most other currencies. At this point anyone taking a dispassionate view of what has been going on since the markets started to go into free fall early 2001 could be forgiven for detecting more than a hint of desperation in the analysis. Now, with print circulation in free fall, publishers have got to serve ads and collect revenue from somewhere. 1.2 The movement of a spacecraft in space without thrust from the engines. Example sentencesExamples It is not caused by the fact that the shuttle is so far from the Earth; it is produced because the space shuttle is in free fall under the influence of gravity. The aeroplane is steered in such a way that the wings deliver no lift at all, so it is in a state of free fall. Prior to the final touch down, the spacecraft shuts down the propulsion engine and enters into a free fall descent. By the way, a spacecraft orbiting Earth is in free fall as are all objects inside the craft. It is true, as you say, that the clock, like the astronauts, is in free fall and we often call that state ‘microgravity’ or zero gravity. Cassini-Huygens is in free fall towards Saturn, which means that it is accelerating continuously. I must say I was having fearful thoughts for my crew's hearts if we were forced to spend many more months in free fall. The International Space Station is also in free fall toward Earth. Stability during the free fall is a problem, particularly during the high acceleration phases of entry into denser atmosphere. verb [no object] Move under the force of gravity only; fall rapidly. I was free-falling and was quickly 1,000 ft below him Example sentencesExamples But some of the scenes - like one of an astronaut free-falling from the space station - really brought home the peril of the job. The next second, she was seemingly free-falling through the gray sky, clenching her teeth to avoid screaming as she descended at high speed. Within a week a dozen scientific teams will be aboard it as it thrusts skyward, then free-falls - and in so doing briefly cancels out the effect of gravity. Boulders slid and rolled down the slope, and eventually free-fell onto the talus slopes below. Guests shoot from 0-128 mph in 3.5 seconds along a horizontal track, then 456 ft up a vertical rail, before free-falling towards ground through a 270-degree corkscrew. In 1997, five skydivers on a tourist flight from Auckland jumped from a plane, hoping to free-fall to Antarctica. Sage, unlike Ash, did not enjoy free-falling in the least. In the case of the free-falling body, the two kinds of energy we are concerned with are kinetic energy and potential energy. And it is said some sportsmen, to show their skill in free-falling, open their parachutes as late as possible. Today's generation is picking up on snow boarding, sand surfing, mountain biking, para-gliding, free-falling, base jumping and even the somewhat bizarre extreme ironing. On his 94th birthday, he leapt out of an airplane strapped to a skydiving instructor and free-fell for a mile. But the distress caused by my dull outfit was short-lived as I grew confident that my appearance would not be my main concern when I was free-falling at 180 miles per hour. With the bar held tight to my chest, I free-fell for what seemed to be an eternity, then tension in my hang strap slowly returned and the glider leveled out. After free-falling for more than four and a half minutes, he felt himself slowed by the friction of a gradually thickening atmosphere. I free-fell for about four seconds, then reached back, grabbed my pilot chute and tossed it out. It has been shown that a 100-micron droplet requires a little over 5 seconds to free-fall 5 feet if no evaporation occurs. Definition of free fall in US English: free fall nounˈfrē ˌfôlˈfri ˌfɔl 1Downward movement under the force of gravity only. the path of a body in free fall Example sentencesExamples Some experienced foreign jumpers displayed hand-in-hand group jumping, wingsuit jumping and somersaults during free fall; all the risky stunts thrilled the audience. It was an odd sensation, feeling as though one were sitting still, though simultaneously moving at some unguessable speed that could have been a snail's pace or free fall in a void. They are also provided training in military free fall parachuting, forward air control techniques, air traffic control, and other pathfinder related skills. How long the actual jump lasts: About one minute in free fall and another five minutes in the parachute. Benedetti was an important forerunner of Galileo, worked on the free fall of bodies and proposed a theory almost identical to that which Galileo published in De motu in 1590. Finally, mathematical concepts and procedures quite different from those of medieval natural philosophers were adopted by Galileo in reaching his basic law of free fall of heavy bodies. For instance, the law of free fall is affirmed to hold only for motion in a vacuum, and Boyle's Law is affirmed to hold only for changes at constant temperature. Even with his results on free fall he was much more interested in proving geometrical theorems than in their relation to the real world. One was given the impression of a man in free fall descending like a fallen angel into the unforgiving landscape below. In free fall everything is falling at the same rate and is in a weightless state, so the air is of equal density everywhere on board the spacecraft. That includes parachuting - both static line and free fall, scuba diving, land navigation, vehicle and boat. Most people at that time believed that the speed of a body in free fall was proportional to the distance it had fallen. The total energy output, or luminosity indicated by the spectrum, however, was too bright to be powered by gravity and the free fall of matter alone. And so is the possibility that profit margins will disappear if, say, a company's customers plan to pay in euros, whose value has dropped faster than an elevator in free fall. One of the most important factors in the snake's midair shift from free fall to glide is a dramatic increase in the width of the animal's body. Each of the stones whose trajectory Newton illustrated was in free fall toward Earth. The contents of the plane are effectively in free-fall, creating weightlessness for all those on-board… and nausea! In all conditions except that of free fall, a live body can be distinguished from an inert structure by the relative disposition of the body parts, its ‘posture’. I can't think of any other film which understands that outside a gravity well, all objects are in free fall. He deployed the parachute straight away, jolting him out of free fall. 1.1 The movement of a spacecraft in space without thrust from the engines. Example sentencesExamples Prior to the final touch down, the spacecraft shuts down the propulsion engine and enters into a free fall descent. The aeroplane is steered in such a way that the wings deliver no lift at all, so it is in a state of free fall. It is true, as you say, that the clock, like the astronauts, is in free fall and we often call that state ‘microgravity’ or zero gravity. Stability during the free fall is a problem, particularly during the high acceleration phases of entry into denser atmosphere. It is not caused by the fact that the shuttle is so far from the Earth; it is produced because the space shuttle is in free fall under the influence of gravity. Cassini-Huygens is in free fall towards Saturn, which means that it is accelerating continuously. The International Space Station is also in free fall toward Earth. By the way, a spacecraft orbiting Earth is in free fall as are all objects inside the craft. I must say I was having fearful thoughts for my crew's hearts if we were forced to spend many more months in free fall. verbˈfrē ˌfôlˈfri ˌfɔl [no object] Move under the force of gravity only; fall rapidly. Example sentencesExamples And it is said some sportsmen, to show their skill in free-falling, open their parachutes as late as possible. In 1997, five skydivers on a tourist flight from Auckland jumped from a plane, hoping to free-fall to Antarctica. After free-falling for more than four and a half minutes, he felt himself slowed by the friction of a gradually thickening atmosphere. In the case of the free-falling body, the two kinds of energy we are concerned with are kinetic energy and potential energy. Guests shoot from 0-128 mph in 3.5 seconds along a horizontal track, then 456 ft up a vertical rail, before free-falling towards ground through a 270-degree corkscrew. Boulders slid and rolled down the slope, and eventually free-fell onto the talus slopes below. But the distress caused by my dull outfit was short-lived as I grew confident that my appearance would not be my main concern when I was free-falling at 180 miles per hour. The next second, she was seemingly free-falling through the gray sky, clenching her teeth to avoid screaming as she descended at high speed. It has been shown that a 100-micron droplet requires a little over 5 seconds to free-fall 5 feet if no evaporation occurs. Within a week a dozen scientific teams will be aboard it as it thrusts skyward, then free-falls - and in so doing briefly cancels out the effect of gravity. I free-fell for about four seconds, then reached back, grabbed my pilot chute and tossed it out. Today's generation is picking up on snow boarding, sand surfing, mountain biking, para-gliding, free-falling, base jumping and even the somewhat bizarre extreme ironing. On his 94th birthday, he leapt out of an airplane strapped to a skydiving instructor and free-fell for a mile. With the bar held tight to my chest, I free-fell for what seemed to be an eternity, then tension in my hang strap slowly returned and the glider leveled out. But some of the scenes - like one of an astronaut free-falling from the space station - really brought home the peril of the job. Sage, unlike Ash, did not enjoy free-falling in the least.
随便看	move in move in move-in move in and out move in circles move-in condition move in for the kill move in on move in on move in on move into move into position move in/within move in/within move it move it move laboriously moveless movelessly movelessly movelessness movelessness move lightly move-man movement