What's the difference between detain and retain?

Detain


Definition:

  • (v. t.) To keep back or from; to withhold.
  • (v. t.) To restrain from proceeding; to stay or stop; to delay; as, we were detained by an accident.
  • (v. t.) To hold or keep in custody.
  • (n.) Detention.

Example Sentences:

  • (1) They had allegedly agreed that Younous would not be charged with any crime upon his arrival there and that he would not be detained in Morocco for longer than 72 hours.
  • (2) "We do not yet live in a society where the police or any other officers of the law are entitled to detain people without reasonable justification and demand their papers," Gardiner wrote.
  • (3) A number of asylum seekers detained in the family camp on Nauru have begun peaceful protests over conditions at the centre.
  • (4) Gwendolen Morgan, the lawyer at Bindmans dealing with the case, said: "We have grave concerns about the decision to use this draconian power to detain our client for nine hours on Sunday – for what appear to be highly questionable motives, which we will be asking the high court to consider.
  • (5) He was often detained and occasionally beaten when he returned to Minsk for demonstrations, but “if he thought it was professional duty to uncover something, he did that no matter what threats were made,” Kalinkina said.
  • (6) Another source inside the centre, quoted earlier on the Detained Voices blog, said detainees had banged on their doors throughout the lockdown.
  • (7) China's best-known artist Ai Weiwei has been detained at Beijing airport this morning and police have surrounded his studio in the capital.
  • (8) But under his government the security forces killed more than 2,000 people, and an estimated 25,000 people were detained without trial and often tortured.
  • (9) As for his detention following a possible conviction … although Mr Aswat would have access to mental health services regardless of which prison he was be detained in, his extradition to a country where he had no ties and where he would face an uncertain future in an as yet undetermined institution, and possibly be subjected to the highly restrictive regime in ADX Florence, would violate article 3 of the convention."
  • (10) Filmmaker John Greyson and medic Tarek Loubani were arrested during disturbances in Cairo on 16 August, and detained without charge ever since.
  • (11) Seventeen lightly wounded were detained in the EH and 4 underwent life-saving surgery there.
  • (12) No one has been able to contact him or his friend Wen Tao, who was detained on the same day.
  • (13) The Shah's secret police – Savak – became increasingly brutal, ultimately detaining without trial and torturing tens of thousands of Iranian citizens.
  • (14) In October 2014 an Aboriginal woman died while being detained for mandatory alcohol treatment .
  • (15) Social workers were branded as communists and detained till they confessed, often after coercive treatment.
  • (16) A Tamil asylum seeker, speaking on condition on anonymity, fears being re-detained or deported: We are scared to go and meet the government.
  • (17) He was first deemed medically unfit to be detained in October, but has remained in custody.
  • (18) He was returned to Kuala Lumpur where he was detained by Malaysian immigration officials.
  • (19) I will not find out the charge until I go to trial, so I just do not know.” Fowle, a 56-year-old equipment operator for the city of Moraine, Ohio, said he was originally detained at a large tourist hotel in Pyongyang and later moved to what he described as a suite-style room in a guest house, which he did not name.
  • (20) That’s in the normal range, but should it go to 37.5 you may be whisked off to a holding centre as a suspect Ebola case, where – even if your fever is flu or more likely here, malaria – you will be detained with people who really do have this dangerously contagious virus.

Retain


Definition:

  • (v. t.) To continue to hold; to keep in possession; not to lose, part with, or dismiss; to retrain from departure, escape, or the like.
  • (v. t.) To keep in pay; to employ by a preliminary fee paid; to hire; to engage; as, to retain a counselor.
  • (v. t.) To restrain; to prevent.
  • (v. i.) To belong; to pertain.
  • (v. i.) To keep; to continue; to remain.

Example Sentences:

  • (1) The femoral component, made of Tivanium with titanium mesh attached to it by a new process called diffusion bonding, retains superalloy fatigue strength characteristics.
  • (2) But RWE admitted it had often only been able to retain customers with expired contracts by offering them new deals with more favourable conditions.
  • (3) Their particular electrophoretic mobility was retained.
  • (4) The cis isomer was retained longer in liver, particularly in mitochondria, but had low retention in that portion of the endoplasmic reticulum isolated as the rough membrane fraction.
  • (5) Despite this alteration in subcellular distribution, the mutant polypeptide retained the ability to induce fibroblast transformation by several parameters, including the ability to display anchorage-independent growth.
  • (6) They retained the ability to make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.3.
  • (7) By adjustment to the swaying movements of the horse, the child feels how to retain straightening alignment, symmetry and balance.
  • (8) ITV retained its quasi-feudal structure until the 1990s.
  • (9) This "paradox of redistribution" was certainly observable in Britain, where Welfare retained its status as one of the 20th century's most exalted creations, even while those claiming benefits were treated with ever greater contempt.
  • (10) Ultraviolet difference spectrophotometry indicates that the inactivated enzyme retains its capacity for binding the nucleotide substrates whereas the spectral perturbation characteristic of 3-phosphoglycerate binding is abolished in the modified enzyme.
  • (11) In a newspaper interview last month, Shapps said the BBC needed to tackle what he said was a culture of secrecy, waste and unbalanced reporting if it hoped to retain the full £3.6bn raised by the licence fee after the current Royal Charter expires in 2016.
  • (12) The most serious complications following operative treatment are retained bile duct calculi (2.8%), wound infection and biliary fistulae.
  • (13) Bivalent F(ab')(2) also retains its insulin-like effects.
  • (14) In this study, a technique is described by which large obturators can be retained with an acrylic resin head plate.
  • (15) At the end of the dusting period those animals treated with normally charged dust had significantly more chrysotile retained in their lungs than animals exposed to discharged dust.
  • (16) The fact that the security service was in possession of and retained the copy tape until the early summer of 1985 and did not bring it to the attention of Mr Stalker is wholly reprehensible,” he wrote.
  • (17) Formula fed infants retained more nitrogen and gained weight faster.
  • (18) As an extension of the previous study which indicated that mesoglea is a primitive basement membrane which has retained some characteristics of interstitial extracellular matrix, the present study was undertaken to analyze the role of mesoglea components during head regeneration in Hydra vulgaris.
  • (19) The resulting cell lines have a stable phenotype and retain the changes which result from transformation even after extended passaging.
  • (20) Protein synthesis in cell-free extracts from resistant or susceptible bacteria was equally susceptible to inhibition by Cd(2+), but spheroplasts from resistant bacteria retained their resistance.