free-fall

free fall

noun
1.
the hypothetical fall of a body such that the only force acting upon it is that of gravity.
2.
the part of a parachute jump that precedes the opening of the parachute.
3.
a decline, especially a sudden or rapid decline, as in value or prestige, that appears to be endless or bottomless: The economy was in a free fall all winter.
Also, free-fall (for defs 1, 2).


Origin:
1915–20

Dictionary.com Unabridged

free-fall

[free-fawl]
verb (used without object), free-fell, free-fallen, free-falling.
1.
(of parachutists) to descend initially, as for a designated interval, in a free fall: The jumpers were required to free-fall for eight seconds.
adjective
2.
denoting or suggesting a free fall: a free-fall recession.
noun
3.
free fall ( defs 1, 2 ).
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
free fall
 
n
1.  free descent of a body in which the gravitational force is the only force acting on it
2.  the part of a parachute descent before the parachute opens

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Cultural Dictionary

free fall definition


In physics, the motion of a body being acted upon only by gravity. A satellite in orbit is in free fall, as is a skydiver (if we neglect the effects of air resistance).

Note: During free fall, objects are said to be weightless.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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