What's the difference between change and reversal?

Change


Definition:

  • (v. t.) To alter; to make different; to cause to pass from one state to another; as, to change the position, character, or appearance of a thing; to change the countenance.
  • (v. t.) To alter by substituting something else for, or by giving up for something else; as, to change the clothes; to change one's occupation; to change one's intention.
  • (v. t.) To give and take reciprocally; to exchange; -- followed by with; as, to change place, or hats, or money, with another.
  • (v. t.) Specifically: To give, or receive, smaller denominations of money (technically called change) for; as, to change a gold coin or a bank bill.
  • (v. i.) To be altered; to undergo variation; as, men sometimes change for the better.
  • (v. i.) To pass from one phase to another; as, the moon changes to-morrow night.
  • (v. t.) Any variation or alteration; a passing from one state or form to another; as, a change of countenance; a change of habits or principles.
  • (v. t.) A succesion or substitution of one thing in the place of another; a difference; novelty; variety; as, a change of seasons.
  • (v. t.) A passing from one phase to another; as, a change of the moon.
  • (v. t.) Alteration in the order of a series; permutation.
  • (v. t.) That which makes a variety, or may be substituted for another.
  • (v. t.) Small money; the money by means of which the larger coins and bank bills are made available in small dealings; hence, the balance returned when payment is tendered by a coin or note exceeding the sum due.
  • (v. t.) A place where merchants and others meet to transact business; a building appropriated for mercantile transactions.
  • (v. t.) A public house; an alehouse.
  • (v. t.) Any order in which a number of bells are struck, other than that of the diatonic scale.

Example Sentences:

  • (1) Once treatment began, no significant changes occurred in Group 1, but both PRA and A2 rose significantly in Groups 2 and 3.
  • (2) Thirty-two patients (10 male, 22 female; age 37-82 years) undergoing maintenance haemodialysis or haemofiltration were studied by means of Holter device capable of simultaneously analysing rhythm and ST-changes in three leads.
  • (3) The assembly reaction is accompanied by characteristic changes in fluorescence emission and dichroic absorption.
  • (4) Although the mean values for all hemodynamic variables between the two placebo periods were minimally changed, the differences in individual patients were striking.
  • (5) It is concluded that during exposure to simulated microgravity early signs of osteoporosis occur in the tibial spongiosa and that changes in the spongy matter of tubular bones and vertebrae are similar and systemic.
  • (6) The various evocational changes appear to form sets of interconnected systems and this complex network seems to embody some plasticity since it has been possible to suppress experimentally some of the most universal evocational events or alter their temporal order without impairing evocation itself.
  • (7) A change in the pattern of care of children with IDDM, led to a pronounced decrease in hospital use by this patient group.
  • (8) The pattern of the stressor that causes a change in the pitch can be often identified only tentatively, if there is no additional information.
  • (9) It has been generally believed that the ligand-binding of steroid hormone receptors triggers an allosteric change in receptor structure, manifested by an increased affinity of the receptor for DNA in vitro and nuclear target elements in vivo, as monitored by nuclear translocation.
  • (10) Changes in cardiac adenosine triphosphate (ATP), phosphocreatine (PCr) and inorganic phosphate (Pi) were followed and intracellular pH (pHi) was estimated from the chemical shift of Pi.
  • (11) Subsequently, the study of bundle branch block and A-V block cases revealed that no explicit correlation existed between histopathological changes and functional disturbances nor between disturbances in conduction (i.e.
  • (12) It involves creativity, understanding of art form and the ability to improvise in the highly complex environment of a care setting.” David Cameron has boosted dementia awareness but more needs to be done Read more She warns: “To effect a cultural change in dementia care requires a change of thinking … this approach is complex and intricate, and can change cultural attitudes by regarding the arts as central to everyday life of the care home.” Another participant, Mary*, a former teacher who had been bedridden for a year, read plays with the reminiscence arts practitioner.
  • (13) As collapse was imminent, MAP increased but CO and TPR did not change significantly.
  • (14) Then a handful of organisers took a major bet on the power of people – calling for the largest climate change mobilisation in history to kick-start political momentum.
  • (15) Type 1 changes (decreased signal intensity on T1-weighted spin-echo images and increased signal intensity on T2-weighted images) were identified in 20 patients (4%) and type 2 (increased signal intensity on T1-weighted images and isointense or slightly increased signal intensity on T2-weighted images) in 77 patients (16%).
  • (16) No significant change occurred in the bacterial population of our hospital unit during the period of the study (more than 3 years).
  • (17) The availability and success of changes in reproductive technology should lead to a reappraisal of the indications for hysterectomy, especially in young women.
  • (18) The epidemiology of HIV infection among women and hence among children has progressively changed since the onset of the epidemic in Western countries.
  • (19) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
  • (20) The pancreatic changes are unlikely to be an artefact, but rather a direct toxic effect of the alcohol as confirmed by the biochemical changes.

Reversal


Definition:

  • (a.) Intended to reverse; implying reversal.
  • (n.) The act of reversing; the causing to move or face in an opposite direction, or to stand or lie in an inverted position; as, the reversal of a rotating wheel; the reversal of objects by a convex lens.
  • (n.) A change or overthrowing; as, the reversal of a judgment, which amounts to an official declaration that it is false; the reversal of an attainder, or of an outlawry, by which the sentence is rendered void.

Example Sentences:

  • (1) This trend appeared to reverse itself in the low dose animals after 3 hr, whereas in the high dose group, cardiac output continued to decline.
  • (2) Application of 40 microM NiCl2 reversibly blocked It while leaving Is intact, whereas 20 microM CdCl2 reversibly blocked Is, but not It.
  • (3) The outward currents are sensitive to TEA and their reversal potentials differ.
  • (4) With NaCl as the major constituent of the bathing solution (potassium-free pipette and external solutions) the reversal potential (Er) of the noradrenaline-evoked current was about 0 mV.
  • (5) The HBV infection was tested by the reversed passive hemagglutination method for the HBsAg and by the passive hemagglutination method for the anti-HBs at the time of recruitment in 1984.
  • (6) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
  • (7) Tests showed the cells survive and function normally in animals and reverse movement problems caused by Parkinson's in monkeys.
  • (8) In dorsoventral (DV) reversed wings at both shoulder or flank level, the motor axons do not alter their course as they enter the graft.
  • (9) Head-injured patients had a low thyroxine (T4), low triiodothyronine (T3), and high reverse T3.
  • (10) Dilutional studies comparing the mechanism of inhibition of monoamine oxidase produced by Gerovital H3 and by ipronizid demonstrated that Gerovital H3 was a reversible inhibitor of monoamine oxidase.
  • (11) Nucleotide, which is essential for catalysis, greatly enhances the binding of IpOHA by the reductoisomerase, with NADPH (normally present during the enzyme's rearrangement step, i.e., conversion of a beta-keto acid into an alpha-keto acid, in either the forward or reverse physiological reactions) being more effective than NADP.
  • (12) An axillo-axillary bypass procedure was performed in a high-risk patient with innominate arterial stenosis who had repeated episodes of transient cerebral ischemia due to decreased blood flow through the right carotid artery and reversal of blood flow through the right vertebral artery.
  • (13) What reforms there were could also be reversed, she warned.
  • (14) No reversions to wild-type levels were observed in 555 heterozygous offspring of crosses between homozygous Campines and normals.
  • (15) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
  • (16) Sickle and normal discocytes both showed membrane elasticity with reversion to original cell shape following release of the cell from its aspirated position at the pipette tip.
  • (17) These antagonists reverse NMDA-mediated long term influence in these brain areas.
  • (18) For dental procedures requiring tracheal intubation, one could perhaps use non-depolarizing muscle relaxants, like pancuronium, with reversal at the end of the procedure.
  • (19) We have recently described a nonnucleoside compound that specifically inhibits the reverse transcriptase of human immunodeficiency virus type 1 (HIV-1), the causative agent of AIDS.
  • (20) We have investigated some of the factors which affect the retention times of these substances in reversed-phase HPLC on columns of 5-micron octadecylsilyl silica.