What's the difference between retro and retroactive?

Retro


Definition:

Example Sentences:

  • (1) Computed Tomography was used to demonstrate the increased retro-orbital fat.
  • (2) To investigate the topochemical preference of backbone and side chains, unusual amino acids, including beta-methylphenylalanine7 or 11, beta-methyltryptophan8, as well as backbone modifications such as retro-inverso structures have been incorporated.
  • (3) retro-, herpes- and rhabdoviruses), virus adsorption to the outer cell membrane.
  • (4) The extent of conversion of retro-3-dehydroretinyl acetate into 3-dehydrovitamin A was much smaller than that of the conversion of retro-retinyl acetate into vitamin A.
  • (5) In two cases the author has successfully carried out retro-sternal transposition "of necessity", at 6 months and 4 years after coloesophagoplasty in the pre-thoracic variant.
  • (6) In cases of spondyl- and retro-olisthetic instability the upper vertebra moved posteriorly during traction and anteriorly during compression.
  • (7) Retro-molar trigones call for combined telecobaltherapy-electrontherapy;--curie-therapy is too difficult in this area.
  • (8) On the average, 8.65 fiber bundles of the vagus nerve leave the retro-olivary area.
  • (9) The retro-analogs of deaminotocinamide, tested at concentrations up to 10)-5)M, were found to be without activity as agonists or antagonists in the oxytocic assay.
  • (10) Combined with the ILD and difference between bilateral I-VIPL, must be useful for determining the location of retro-cochlear lesions.
  • (11) Lisa and Brian converted the old wooden schoolhouse six years ago and the design is bright and eclectic, think retro school desks, a funky red kitchen, a clear geodesic dome in the garden for stargazing and chill-out time and a giant chess set on the lawn.
  • (12) We believe that simultaneous presence of oedema and effusion in both intra- and retro-peritoneal cavities along with renal enlargement is in practice pathognomic of EHF.
  • (13) These short films aren't always musical; Laser Cats is a deliberately retro-amateurish sci-fi series about mutant cats who shoot lasers from their eyes, while a student film about giraffes claims that they are from outer space and will destroy mankind.
  • (14) Drilling away one or several segments realizes a trans-petrous approach which always begins by drilling away the posterior-external segment, the retro-labyrinthine segment.
  • (15) After documentation of significant ischemia (EKG, left atrial pressure), the crossclamp of the retro-IMA graft was removed.
  • (16) The existence of the retro-esophageal segment of the aorta was confirmed by left ventriculography and computerized axial tomography.
  • (17) Retro-orbital tissue membranes have been shown to have adenylate cyclase activity which can be stimulated by thyrotropin and by an exophthalmogenic factor derived from the thyrotropin molecule by partial pepsin digestion.
  • (18) Since lymphatic invasions are unusual in children, surgical exploration of the retro-peritoneal space is no longer considered necessary for the stagging and is replaced nowadays by ultrasonography and CT scan.
  • (19) We found that nerves from the superior cervical and pterygopalatine ganglia form a plexus at the orbital apex corresponding to the retro-orbital plexus found in rabbit, monkey and man.
  • (20) Three cases of retro-placental hematoma are reported.

Retroactive


Definition:

  • (a.) Fitted or designed to retroact; operating by returned action; affecting what is past; retrospective.

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.