What's the difference between erst and erstwhile?

Erst


Definition:

  • (adv.) First.
  • (adv.) Previously; before; formerly; heretofore.

Example Sentences:

  • (1) The magnetic field intensity was 500 and 1000-1500 ersted and the microbial load was 1, 10 and 100 thous.
  • (2) During an exposure of animals to a constant magnetic field of 1000 and 4500 ersted changes in the hypothalamic-hypophyseal system were noted.
  • (3) Pharmacy has shed the apothecary role but has not yet been restored to its erst-while importance in medical care.
  • (4) A repeated influence (30 min a day) of the strong magnetic field of 912 ersted for 16 days inhibits synthetic processes in the liver tissue.
  • (5) A study was made of the 131I radioisotope absorption by the thyroid gland, thyroxin binding by a number of tissues, and also protein-bound iodine (PBI) content in the blood plasma of albino rats after the application of alternating magnetic field (AMF)--industrial frequency 200 Ersted voltage--of various duration and periodicity.

Erstwhile


Definition:

  • (adv.) Till then or now; heretofore; formerly.

Example Sentences:

  • (1) Alex Turner has already set about ingratiating himself with the 2013 festival by guesting with his erstwhile partner in the Last Shadow Puppets, Miles Kane, earlier this afternoon, but as he takes to the Pyramid Stage for the Monkeys' headline slot, piling straight into the bluesy electronic throbs of new single Do I Wanna Know in a sharp striped suit and teddy quiff and throwing the odd karate beckoning motion, there's a real sense of points to be proved.
  • (2) It's as well to be aware of the beckoning avenues of justification that are drawing in so many of our erstwhile comrades.
  • (3) That seemed not to worry Unite's Len McCluskey, his erstwhile blustery critic, who sent out paeans of reckless praise: "This is a tour de force … the best speech from a Labour leader I have heard."
  • (4) Appropriately for a presenter steeped in statistics, the BBC's erstwhile economics editor drew up a cost-benefit analysis weighing up the pros and cons of replacing Jeremy Paxman as Newsnight's lead anchor, to little effect.
  • (5) The erstwhile envoy caused ructions earlier this week when he declared in an interview with the New York Times that Greece's IMF-dicated fiscal adjustment program was doomed to failure.
  • (6) It was all very well for erstwhile broadsheet newspaper readers to jeer "Who cares?"
  • (7) When George Robertson, erstwhile secretary general of Nato, used a New York speech to warn of the "cataclysmic" effects of a yes vote, suggesting it would be an early Christmas present for global terrorists, even close colleagues had to avert their ears.
  • (8) Blackout will be organising grassroots events, nationwide, for people to come out and show their solidarity in the fight for equal human rights.” Backers include Fruitvale Station actor Michael B Jordan, Vampire Diaries star Kat Graham, hiphop mogul Russell Simmons and erstwhile Rage Against the Machine guitarist Tom Morello.
  • (9) He has also covered an old Scottish folk song, 'Hymn Of The Whale', as well as a fearsome semi-industrial track in the company of the erstwhile drummer from Nine Inch Nails.
  • (10) But if he can roll out enough insults to Democrats and pal around with more conventional Tea Party heroes such as Steve Lonegan (the erstwhile GOP NJ senate candidate), Christie could convince the conservative base he has their best interests at his large heart.
  • (11) If its officials have been more visible it is a function of the fact that many, including Koussa and his erstwhile deputy, Khaled Kaim, have more experience in dealing with the west.
  • (12) For the erstwhile parliamentarian, who has had more time on his hands since losing his Morley and Outwood seat at the general election in May, it is an opportunity to indulge a passion for the club he has harboured since he was a small boy.
  • (13) Earlier this month, the Kabul-based military command, under marine general Joseph Dunford, sharply rebuked its erstwhile Afghanistan partners for releasing 65 detainees it said had US and Afghan blood on their hands.
  • (14) Archer's creepy Pecksniffian pals If there's one thing worse than Jeffrey Archer, it is the erstwhile friends of Jeffrey Archer.
  • (15) Moreover, after what’s sure to be millions of people who were otherwise not very engaged in the topic of internet security go ahead and read Zuckerberg’s post, they may care just a bit more about what’s being done to us all by our erstwhile protectors – not just by the criminals.
  • (16) Although still stunned by the Fifa president’s resignation, Dyke thinks he can explain it, starting with the allegations of a bribe to erstwhile Fifa official Jack Warner.
  • (17) For more than two weeks, his erstwhile deputies claimed Mehsud was ill while they arranged his succession.
  • (18) Harassed western alliance seeks erstwhile head of Taliban administration.
  • (19) That is our project, and we are getting there.” Manchester United reverted to the three-centre-back system they started out with under Louis van Gaal for their visit to the erstwhile league leaders, partly out of respect for Vardy’s hot streak but also because Marcos Rojo had to pull out injured.
  • (20) The successful cloning of a non-structural antigen from the genome of what is now designated as the 'hepatitis C virus' (HCV) has transformed an erstwhile diagnosis of exclusion for non-A, non-B hepatitis (NANBH).

Words possibly related to "erst"

Words possibly related to "erstwhile"