What's the difference between expiry and reversion?

Expiry


Definition:

  • (n.) Expiration.

Example Sentences:

  • (1) But others do: gift cards for Amazon.co.uk, for example, expire one year from the date of issue, while Marks & Spencer gift cards are valid for four years, although each time a customer spends on the card the expiry date is reset to four years.
  • (2) He pointed out that some of the fall was down to the expiry of a government scheme expiring that had "artificially propped up" the housing market over the past year.
  • (3) The declaration of production date and expiry date, were increased by 57.3% and 49.8% respectively.
  • (4) If a 14C labelled metabolite is used the oxidation rate may sometimes be determined by measuring the expiry rate of 14CO2.
  • (5) It has to be that time because the Albanian power supply tends to go on the blink just after 6 p.m. and broadcasters who want to get their message across only have the erratic period between their listeners' arrival home and the quiet expiry of the glorious people's voltage as they all switch on their lights and radios.
  • (6) The system operates in English and Spanish and includes such information as the product name, registration number, ingredients, species for which the product is approved for use, the disease against which the product is used, names of manufacturers and distributors and other distinguishing characteristics of the product including expiry dates and withdrawal times.
  • (7) While Berlin played for more time, until after next year's general election and the expiry of Greece's formal bailout schedule in 2014, the IMF has been demanding a clear, credible longer-term programme.
  • (8) Mitch Fifield, the assistant minister for social services, told the paper: “It’s important, as the legislated expiry dates of board appointments approach, to make sure we have into the future the best mix of skills and experience from current and new members for a venture of this magnitude and importance.” The ads seek previous corporate experience and work in disability services.
  • (9) A drawback to the use of this kit is the recommended 1h expiry for 99Tcm-MAG3.
  • (10) Expiry of an authorization or an unregistered experimenter will come to light in the course of the plausibility study.
  • (11) Programmes will not appear on the MSN service until the expiry of the online catch-up TV window on broadcasters' own websites.
  • (12) They cannot be fraudulently used, however, as only the last four digits of the card numbers were obtained by the hackers and not the customer name and expiry date, the company said.
  • (13) * Thursday Expiry of a deadline imposed by EU foreign ministers at a meeting on Monday for Russia to withdraw its troops in Crimea or face possible sanctions.
  • (14) Don't assume because you can't see an expiry date on a voucher or gift card that it doesn't have one.
  • (15) is calling on mobile phone companies to provide customers with their contract expiry date, one month's notice before their contract ends and details of all the available deals to best match their needs.
  • (16) He added: “That implicitly precludes the group members from exercising rights under US law which have the result that the claimant’s ownership of the copyrights is brought to an end prior to their expiry.
  • (17) But the dearth of such courses is not the only reason why some 500 prisoners are now two years beyond their tariff expiry, the equivalent of serving an additional four-year fixed sentence.
  • (18) Chelsea's recently adopted club policy is to offer one-year deals to players in their 30s upon the expiry of current agreements and while the player had initially been asking for a two-year commitment, he has accepted a shorter arrangement on terms similar to the £175,000-a-week he currently earns.
  • (19) It's difficult not to imagine that the group has an expiry date.
  • (20) The private franchises could simply be allowed to run their course and, upon expiry, services folded in to the existing public operator, East Coast.

Reversion


Definition:

  • (n.) The act of returning, or coming back; return.
  • (n.) That which reverts or returns; residue.
  • (n.) The returning of an esttate to the grantor or his heirs, by operation of law, after the grant has terminated; hence, the residue of an estate left in the proprietor or owner thereof, to take effect in possession, by operation of law, after the termination of a limited or less estate carved out of it and conveyed by him.
  • (n.) Hence, a right to future possession or enjoiment; succession.
  • (n.) A payment which is not to be received, or a benefit which does not begin, until the happening of some event, as the death of a living person.
  • (n.) A return towards some ancestral type or character; atavism.

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.