overshoot

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o·ver·shoot

(ō'vĕr-shūt),
1. Generally, any initial change, in response to a sudden step change in some factor, that is greater than the steady-state response to the new level of that factor; common in systems in which inertia or a time lag in negative feedback outweighs any damping that may be present. Changes in a negative direction are sometimes distinguished by the term undershoot, and the two may alternate in an oscillatory fashion, as in the transient oscillations of a pendulum when released from an initial displacement.
2. Momentary reversal of the membrane potential of a cell (inside becoming positive rather than negative relative to the outside) during an action potential; considered a form of overshoot1 because, before discovery of overshoot2, excitation was thought merely to depolarize the membrane to zero transmembrane potential.

o·ver·shoot

(ō'vĕr-shūt)
1. Any response to a step change in some factor that is greater than the steady-state response to the new level of that factor; common in systems in which inertia or a time lag in negative feedback outweighs any damping that may be present.
2. Momentary reversal of the membrane potential of a cell (inside becoming positive rather than negative relative to the outside) during an action potential.

overshoot

the stage of an ACTION POTENTIAL in which the voltage rises from zero to the positive peak.
References in periodicals archive ?
Pilot Richard Parry and Masayuki Yamashita, an official at Asia's largest balloon festival, managed to escape with minor injuries following an aborted landing.
The airplane was substantially damaged when it impacted terrain during an aborted landing attempt.
I can't begin to remember the number of times I've flown, but I can recount every thunderstorm, aborted landing or bumpy flight in a light aircraft.
On August 22, 2005, at about 1030 Eastern time, a Piper PA-32R-301 Saratoga was destroyed during impact with trees and terrain, and subsequent postcrash fire, following an aborted landing at the Brandywine Airport (N99), West Chester, Penn.
At approximately 1624 Central time the airplane was destroyed following a loss of control during an aborted landing. The Commercial pilot and his passenger were fatally injured.
After the aborted landing, the aircraft circled for 10 minutes before being allowed to land at Heathrow Airport.
David Jones: OMG same thing happened to us when we attempted to land in Manila ..........two aborted landings and then diverted, scary stuff.
There were many aborted landings, before finding, in the nick of time, a mossy cavity beneath rearing firs.
Pilots are trained in such "go-around" procedures for aborted landings, but the manoeuvre was unusual and the German aviation authorities are
A spokesman from EASYJET said: "The pilot carried out two routine aborted landings.
Additional training with manually-operated aborted landings in various conditions should also be introduced.
HUDDERSFIELD Town's directors endured two aborted landings due to fog during a nerve-jangling flight for the club's match at Southampton.