noun
definition
The state of being reversed.
definition
An instance of reversing.
definition
A change in fortune; a change from being successful to having problems.
adjective
definition
Intended to reverse; implying reversal.
Examples of reversal in a Sentence
In his later book, Dioptrice (1611), he fully discusses refraction and the use of lenses, showing the action of the double convex lens in the camera obscura, with the principles which regulate its use and the reason of the reversal of the image.
On the other hand it is not necessary to reset the telescope after each reversal of the segments.4 When Bessel ordered the Konigsberg heliometer, he was anxious to have the segments made to move in cylindrical slides, of which the radius should be equal to the focal length of the object-glass.
Reversal of tubal ligation is a major surgery.
For shallow water greater precision and certainty are obtained by using a lever actuated by a weight slipped down the line to cause the reversal, as in the patterns of Rung, Mill and others.
A carefully made ship's compass is usually employed, though in some cases the compass card, with its attached magnets, is made reversible, so that the inclination to the zero of the card of the magnetic axis of the system of magnets attached to the card can be eliminated by reversal.
This reversal of the usual burden of proof only applies when the consumer is seeking a repair or replacement.
The chief defect in equatorial mountings of type C is that in general they are not capable of continued observing much past the meridian without reversal.
As the tip of the wing is mid-way between its margins, a line between the continuous and dotted lines gives the figure-of-8 made by the tip. The arrows indicate the reversal of the planes of the wing, and show how the down and up strokes cross each other.
George Grenville, whom the Rockinghams had displaced, and who was bitterly incensed at their formal reversal of his policy, printed a pamphlet to demonstrate his own wisdom and statesmanship. Burke replied in his Observations on a late Publication on the Present State of the Nation (1769), in which he showed for the first time that he had not only as much knowledge of commerce and finance, and as firm a hand, in dealing with figures as Grenville himself, but also a broad, general and luminous way of conceiving and treating politics, in which neither then nor since has he had any rival among English publicists.
A temperature of 70, and a reversal of the current (of low density) between two cast iron electrodes every few minutes, are the best working conditions.
The Supreme Court of the state by a vote of two to one decided in April 1894 that the law was unconstitutional, but in October a change in the personnel of the court brought about a reversal.
The Peltier effect was only a small fraction of the total effect, but could be separated from the Joule effect owing to the reversal of the current.
In its relatively long ears and general build it approaches the African wild asses, from which it chiefly differs by the striping (which is markedly different from that of the quagga-group) and the reversal of the direction of the hairs along the spine.
His son Ben-Hadad made an unsuccessful attack on Israel at Aphek, and was allowed by Ahab to depart on a reversal of these terms (loc. cit.).
Animal and human studies implicate the amygdala in conditioning to aversive stimuli and orbitofrontal cortex in reversal learning.
None were visible on main pulmonary artery angiography due to reversal of flow in the affected pulmonary artery branches.
Continue volatile agent until reversal is complete and spontaneous respiration is resumed using atropine or glycopyrrolate and neostigmine as required.
The new protocol accounts for the reversal in selectivity observed in changing from Z enol borinates to unsubstituted enol borinates to unsubstituted enol borinates.
Henry V is a celebration of Hal's almost legendary exploits in France, culminating in the great reversal of the odds at Agincourt.
However, it has been 750,000 years since the last reversal - so we are certainly overdue.
Neuromuscular blockade With modern short acting muscle relaxants, reversal of neuromuscular block at the end of cesarean section is rarely a problem.
In short the US economy is in danger of undergoing a devastating reversal of fortunes.
A belief in the comet storms led Donald Morris and Muller to a method of explaining some of the geomagnetic reversal.
The ontological reversal is connected to the reductionist tendency of natural science.
Hathaway noticed the latest polar reversal in a " magnetic butterfly diagram.
The effect of a magnetic reversal on humans is less known.
These short-term flows are ' footloose ', subject to abrupt reversal.
It is, we find, entirely due to a sudden reversal of the previous trend.
The probability of pregnancy following vasectomy reversal was 30% .
The magnetic properties and magnetization reversal behavior of the bilayer were studied using the Fresnel mode of Lorentz microscopy.
Ulysses reached maximum southern latitudes in late 2000, before solar polarity reversal had occurred.
Beach sediment loss and net drift reversal thus coincided, but without any evident causal relationship.
Can you describe for us the steps by which this pole reversal will take place?
Nearly all the writers advocate reversal of the trend to 'globalisation '; a return to local self-reliance, with minimal long-distance trade.
The central sulcus (CS) was identified by somatosensory evoked potential (SEP) phase reversal.
If your case is severe you may be referred to a trained therapist who will teach you a technique of CBT called Habit Reversal.
A statistical comparison of the spectral width with the flow reversal boundary has been conducted using three years of data.
The new emperor received the tidings of his rival's defeat and death at Alexandria, whence he at once forwarded supplies of corn to Rome, which were urgently needed, along with an edict or a declaration of policy, in which he gave assurance of an entire reversal of the laws of Nero, especially those relating to treason.
Lower remanent moments are found to be associated with a more isotropic reversal mechanism.
The next reversal of fortunes may already be taking place.
The 2001 figures include a reversal of workers' compensation accruals of $ 8 million.
Funding There must be a reversal of the trend of reduced levels of health service funding in real terms.
Their objective for farmland birds is the reversal of the long term decline in populations of farmland birds.
Hathaway noticed the latest polar reversal in a magnetic butterfly diagram.
The probability of pregnancy following vasectomy reversal was 30 %.
The typical twitchy movements of partial reversal may also be seen, and the patient may become distressed and agitated.
A vasectomy reversal takes approximately 2.5 to 3 hours.
Significant signal change in the region of the ventral striatum was also observed on such reversal errors, from a region of interest analysis.
In these instances, the reversal of the dementia occurs as a result of treating the underlying cause of the disorder.
Role reversal occurs; the children act more like the parents, and the parents behave like the children.