What's the difference between commutator and reverse?

Commutator


Definition:

  • (n.) A piece of apparatus used for reversing the direction of an electrical current; an attachment to certain electrical machines, by means of which alternating currents are made to be continuous or to have the same direction.

Example Sentences:

  • (1) The lies Trump told this week: from murder rates to climate change Read more “President Obama has commuted the sentences of record numbers of high-level drug traffickers.
  • (2) In an exceptionally rare turn, the Texas Board of Pardons and Paroles, a panel appointed by the governor that is almost always hardline on executions, recommended that his death sentence be commuted to life in prison because of his mental illness.
  • (3) Whether out of fear, indifference or a sense of impotence, the general population has learned to turn away, like commuters speeding by on the freeways to the suburbs, unseeingly passing over the squalor.
  • (4) It also devalues the courage of real whistleblowers who have used proper channels to hold our government accountable.” McCain added: “It is a sad, yet perhaps fitting commentary on President Obama’s failed national security policies that he would commute the sentence of an individual that endangered the lives of American troops, diplomats, and intelligence sources by leaking hundreds of thousands of sensitive government documents to WikiLeaks, a virulently anti-American organisation that was a tool of Russia’s recent interference in our elections.” WikiLeaks last year published emails hacked from the accounts of the Democratic National Committee and John Podesta, chairman of Hillary Clinton’s election campaign.
  • (5) The surface mount electronic internal controller provides motor commutator, energy management, telemetry, and physiologic control functions.
  • (6) The pair woke up early and gathered their birth certificates, social security cards and passports before making the roughly three-hour commute.
  • (7) But Clegg also says he is not going to be cowed into taking Cameron's vow of silence about Farage's assertion that he finds Britain unrecognisable and is uncomfortable at the lack of English spoken on commuter trains out of Charing Cross.
  • (8) Well, news from the commuters and the rail users is that we don't like it, and we want a cheaper more equitable service.
  • (9) Two weeks after the July 7 suicide bomb attacks that killed 52 London commuters and injured more then 750, Shahid, a young Londoner who had just completed his fourth year at medical school, flew to Pakistan .
  • (10) Stephen Joseph, its chief executive said: "This is bitter news for everyone who relies on the train to get to work, not least the large number of commuters in marginal constituencies who will be a key group at the next election."
  • (11) Concluding an inquiry into the experience of rail passengers that became dominated by the events at Southern , the transport select committee said commuters had been badly let down.
  • (12) When you factor in commuting costs, it's not surprising many families decide it doesn't make sense financially for both parents to work.
  • (13) If you are a London commuter dreading tube strike chaos this evening and tomorrow there is an alternative to fighting your way on to overcrowded buses or a long walk.
  • (14) Prenatal care is provided in rural areas by health care people that commute from the cities.
  • (15) Sir Stephen Richards, 59, was arrested by detectives investigating an alleged sexual assault on a commuter service between London Waterloo and Wimbledon in south-west London.
  • (16) Another described First Great Western as " the worst commuter line I've ever had to endure ": "Not only is it the most expensive train line in Europe, it was never on time.
  • (17) Mahaneela Choudhury-Reid, a Londoner of colour, clashed with a smartly dressed commuter during what should have been the mid-morning quiet.
  • (18) Transport for London stepped in with a £750m pledge to prevent meltdown in the public-private partnership for the underground yesterday, as the capital's mayor warned of a "difficult period" for commuters after the tube's biggest maintenance firm entered administration.
  • (19) Potential London escapees will probably be put off by the cost of commuting, as an annual season ticket costs about £5,000, and the knowledge that state schools in London are better, on the whole, although Oxford has a stellar independent sector thanks to the likes of Oxford High School for Girls and Magdalen College School .
  • (20) The commutations are meant to combat the strict mandatory minimum sentences for drug crimes – symbolically, at least – an area where Republicans and Democrats both support reform .

Reverse


Definition:

  • (a.) Turned backward; having a contrary or opposite direction; hence; opposite or contrary in kind; as, the reverse order or method.
  • (a.) Turned upside down; greatly disturbed.
  • (a.) Reversed; as, a reverse shell.
  • (a.) That which appears or is presented when anything, as a lance, a line, a course of conduct, etc., is reverted or turned contrary to its natural direction.
  • (a.) That which is directly opposite or contrary to something else; a contrary; an opposite.
  • (a.) The act of reversing; complete change; reversal; hence, total change in circumstances or character; especially, a change from better to worse; misfortune; a check or defeat; as, the enemy met with a reverse.
  • (a.) The back side; as, the reverse of a drum or trench; the reverse of a medal or coin, that is, the side opposite to the obverse. See Obverse.
  • (a.) A thrust in fencing made with a backward turn of the hand; a backhanded stroke.
  • (a.) A turn or fold made in bandaging, by which the direction of the bandage is changed.
  • (a.) To turn back; to cause to face in a contrary direction; to cause to depart.
  • (a.) To cause to return; to recall.
  • (a.) To change totally; to alter to the opposite.
  • (a.) To turn upside down; to invert.
  • (a.) Hence, to overthrow; to subvert.
  • (a.) To overthrow by a contrary decision; to make void; to under or annual for error; as, to reverse a judgment, sentence, or decree.
  • (v. i.) To return; to revert.
  • (v. i.) To become or be reversed.

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.