What's the difference between past and retroaction?

Past


Definition:

  • (v.) Of or pertaining to a former time or state; neither present nor future; gone by; elapsed; ended; spent; as, past troubles; past offences.
  • (n.) A former time or state; a state of things gone by.
  • (prep.) Beyond, in position, or degree; further than; beyond the reach or influence of.
  • (prep.) Beyond, in time; after; as, past the hour.
  • (prep.) Above; exceeding; more than.
  • (adv.) By; beyond; as, he ran past.

Example Sentences:

  • (1) In this study of ten consecutive patients sustaining molten metal injuries to the lower extremity who were treated with excision and grafting, treatment with compression Unna paste boot was compared with that with conventional dressing.
  • (2) Anti-corruption campaigners have already trooped past the €18.9m mansion on Rue de La Baume, bought in 2007 in the name of two Bongo children, then 13 and 16, and other relatives, in what some call Paris's "ill-gotten gains" walking tour.
  • (3) In the past, the interpretation of the medical findings was hampered by a lack of knowledge of normal anatomy and genital flora in the nonabused prepubertal child.
  • (4) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
  • (5) Past imaging techniques shown in the courtroom have made the conventional rules of evidence more difficult because of the different informational content and format required for presentation of these data.
  • (6) In the past 6 years 26 patients underwent operation for recurrent duodenal ulcer after what was considered to be an "adequate" initial operation.
  • (7) Over the past decade the use of monoclonal antibodies has greatly advanced our knowledge of the biological properties and heterogeneity that exist within human tumours, and in particular in lung cancer.
  • (8) He had been extremely frustrated that indicators of economic recovery over the past few days had been drowned out by the clamour over the Labour leadership.
  • (9) We reviewed our experience with femorofemoral bypass during the past 10 years to define its role relative to other methods in the treatment of aortoiliac occlusive disease.
  • (10) Gallic wine sales in the UK have been tumbling for the past 20 years, but the news that France, once the largest exporter to these shores, has slipped behind Australia, the United States, Italy and now South Africa will have producers gnawing their knuckles in frustration.
  • (11) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
  • (12) I’m hopeful but I just can’t get over all my experiences in the past.
  • (13) Significant changes have occurred within the profession of pharmacy in the past few decades which have led to loss of function, social power and status.
  • (14) Eighty interposition mesocaval shunts, using a knitted Dacron large diameter prosthesis, have been performed during the past five and one-half years.
  • (15) Although they were praised in the last five years as the most efficient drugs against cancer and infectious diseases, no great success was clinically and experimentally reported in the past.
  • (16) Over the past 20 years the rag-and-bone trade has had a makeover.
  • (17) Cameron famously broke with the past, and highlighted his green credentials, by posing with huskies on a visit to Svalbard in the Norwegian Arctic in 2006.
  • (18) At first it looked as though the winger might have shown too much of the ball to the defence, yet he managed to gain a crucial last touch to nudge it past Phil Jones and into the path of Jerome, who slipped Chris Smalling’s attempt at a covering tackle and held off Michael Carrick’s challenge to place a shot past an exposed De Gea.
  • (19) They argue that the US, the world's largest producer of greenhouse gases per capita (China recently surpassed us in sheer volume), needs to lead the fight to limit carbon emissions, rather continuing to block global treaties as it has done in the past.
  • (20) Over the past decade, the quinolone antimicrobial class has enjoyed a renaissance with the emergence of the fluoroquinolone subclass.

Retroaction


Definition:

  • (n.) Action returned, or action backward.
  • (n.) Operation on something past or preceding.

Example Sentences:

  • (1) The immunity was enacted by an overwhelming bipartisan vote, with the support of leading Democrats including Barack Obama, who had promised - when seeking his party's nomination - to filibuster any bill that contained retroactive telecom immunity.
  • (2) Sixty five valid MMPI profiles, based on tests administered during the 1986 calendar year were retroactively scored for a scale designed by Sladen and Mozdzierz (1985) which was reportedly capable of identifying individuals likely to drop out of chemical dependency treatment.
  • (3) So perhaps, at some distant point in the future, the Nobel committee will find a crass way to play politics at the same time as giving a retroactive nod to Malala – unless she has become president of Pakistan: in which case she'll finally be in the sort of day job that tends to catch their eye.
  • (4) Just two weeks ago, Manafort registered retroactively with the justice department as a foreign agent for lobbying work he did from 2012 to 2014 for the Ukrainian political party.
  • (5) "There will not be any retroactive direct recapitalisation," Merkel told a news conference. "
  • (6) And now, the US supreme court just consecrated one of the most corrupt acts of the US government over the past decade: its vesting of retroactive legal immunity in the nation's telecom giants after they had been caught red-handed violating multiple US eavesdropping laws.
  • (7) Advantages and possibilities brought about by the method are presented: sensibility, reproducibility and dynamic study of the pattern of neurohormone release, without a possible retroactive action of released substances on the perifused tissue.
  • (8) Exposure to a session of tones causes retroactive interference through a cognitive effect.
  • (9) In view of this finding, that as well as a constant regulation with negative retroaction of the corticotrophic-releasing factor--adrenocorticotrophic hormone (ACTH)--cortisol system, there exists an externally controlled servomechanism from nervous system activity related to the environment.
  • (10) The AX labeling reponses showed large contrast effects (both proactive and retroactive) that were greatly reduced when auditory memory was interfered with.
  • (11) The retroactive legislation, published on Thursday evening and expected to be rushed through parliament on Tuesday, will effectively strike down a decision by three senior judges and deny benefit claimants an average payout of between £530 and £570 each.
  • (12) The analyst obtains thus the means to understand (also in a retroactive way) the value and the limits of his interpretations.
  • (13) The possibilities are discussed of stimulating the regulation of the circuit that governs the tumoral defense, keeping the negative retroaction below the limits at which it starts developing exponentially, thereby enhancing anticancer defenses.
  • (14) Retroactive studies of viral diseases using routinely processed blocks of tissue (formalin-fixed, paraffin-embedded) are therefore conceivable.
  • (15) Merkel made clear that any direct bank recapitalization, if and when it is allowed, would not be retroactive and could only be applied for future contingencies.
  • (16) Thirty patients with CPS of lateralized temporal lobe onset [15 left temporal (LT) and 15 right temporal (RT)] were compared with 15 matched controls (NC) on several measures derived from the California Verbal Learning Test (CVLT), i.e., verbal learning ability, immediate free recall, presence of retroactive interference effects, semantic organization, retrieval efficiency, and recognition memory.
  • (17) The storage loss occurs because of the retroactive influence of other traces, and the storage retention function is precisely characterized by an underlying Weibull distribution.
  • (18) The author opposes the two principal conceptions of interpretation: the deterministic conception predominant in Freud, in which the present is determined by the subject's actual past; and the creative hermeneutic conception, which traces its origins back not only to Heidegger and Ricoeur but also to Jung; in the latter view, interpretation cannot but be retroactive, assigning significance to a meaningless past.
  • (19) Nothing like this had ever been seen before: a massive, open, retroactive evaluation of scientific literature, conducted entirely by computer.
  • (20) That could include inmates who have not retroactively benefited from recent sentencing reforms, meaning they would face lighter punishments if convicted today.

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