What's the difference between extemporaneous and impromptu?

Extemporaneous


Definition:

  • (a.) Composed, performed, or uttered on the spur of the moment, or without previous study; unpremeditated; off-hand; extempore; extemporary; as, an extemporaneous address or production.

Example Sentences:

  • (1) The results of this study allow formulation of recommendations regarding the extemporaneous preparation of i.v.
  • (2) Triphenylene was also extemporaneously determined by its phosphorescence spectrum at low temperature.
  • (3) In a second group of 461 patients, intragastric pH was determined extemporaneously during endoscopy.
  • (4) Reuse of filters and extemporaneous preparation of substitution fluid were not responsible for any pyrogen reaction or bacterial contamination.
  • (5) Extemporaneous biopsy and pathological analysis were in favour of a haemangiosarcoma.
  • (6) Emulsions are represented in topical extemporaneous preparations in a smaller amount than solutions and suspensions; it is 0.7% in the set under study.
  • (7) The potency and stability of extemporaneous intravenous nitroglycerin (NTG) solutions prepared according to methods currently used in three hospitals were studied.
  • (8) The value and the limitations of echo scans and extemporaneous examination in four cases are reported.
  • (9) Fixation is monomaxillar, via extemporaneous splinting, associated with low external cortical osteosynthesis.
  • (10) non-registered drugs that are extemporaneously prepared for each patient or made in larger batches for stock keeping, form a small but important group of drugs, especially for patients with rare diseases or allergies.
  • (11) The stability of terbutaline sulfate in an extemporaneous oral liquid formulation refrigerated for 55 days was studied.
  • (12) Several pharmaceutical solvent systems commonly employed by the pharmacist during the extemporaneous dispensing of minoxidil topical solution using Loniten tablets were evaluated.
  • (13) They report the first data collected in a campaign of immunization with a single injection of an extemporaneous mixture of antimeasles, antitetanus and antimeningococcal meningitis vaccines.
  • (14) In this study we explored the relationship between narcissism and the individual's use of personal pronouns during extemporaneous monologues.
  • (15) Four extemporaneous speech samples were collected from each of 12 women, one at ovulation (when the average woman experiences her greatest feelings of self-esteem and self-confidence) and one at premenstruation (when she experiences a significant increase in anxiety level) for two consecutive cycles.
  • (16) Few respondents indicated the use of sterilization techniques other than microbial filtration, which was used by 32% of pharmacies involved in extemporaneous preparation and 16% of those involved in batch preparation.
  • (17) These drawbacks might be avoided by using transrectal extraperitoneal extemporaneously matured colostomy that simplifies the surgical technique and prevents both precocious complications (peritonitis, occlusions, parietal abscess, necessity of a second "retouch" surgery) and also tardy complications (stomal prolapse, parastomal eventration).
  • (18) SISGRAD was developed to guarantee that the treatments comply with prescriptions, to supply extemporaneous dosimetric data, to improve administrative work, and to supply banks with data for statistical analysis and research.
  • (19) An experiment comparing extemporaneous and impromptu speech samples of 10 freshman medical students showed that, of 10 verbal categories, only qualifying phrases significantly differentiated the two levels of spontaneity.
  • (20) The conclude that the surgeon should do everything possible to arrive at the histological diagnosis of fibroadenoma intraoperative--that is, extemporaneously--in order to avoid treating as a malignancy a possible benign phylloid cystosarcoma.

Impromptu


Definition:

  • (adv. / a.) Offhand; without previous study; extemporaneous; extempore; as, an impromptu verse.
  • (n.) Something made or done offhand, at the moment, or without previous study; an extemporaneous composition, address, or remark.
  • (n.) A piece composed or played at first thought; a composition in the style of an extempore piece.

Example Sentences:

  • (1) Nadezhda Tolokonnikova and Maria Alyokhina were arrested on the eve of Russia's presidential vote last weekend, days after an impromptu performance of an anti-Putin song in Moscow's Cathedral of Christ the Saviour.
  • (2) 8.25am BST Remiss of me not to have an entry from Tony Abbott for our impromptu Politics Live Tumblr - leaders looking at things.
  • (3) Nick Clegg, 24 October 2010 Chopin's Waltz in A Minor played by Idil Biret Sunday Morning Coming Down by Johnny Cash The Cross by Prince Petit Pays by Cesária Évora Street Spirit by Radiohead Life on Mars by David Bowie Waka Waka 2010 World Cup theme, by Shakira Schubert's Impromptu No.3 in G Flat Major played by Alfred Brendel Book The Leopard, by Giuseppe Tomasi di Lampedusa Luxury A stash of cigarettes David Cameron, 28 May 2006 Tangled Up In Blue by Bob Dylan Ernie by Benny Hill Wish You Were Here by Pink Floyd Mendelssohn's On Wings of Song performed by Kiri Te Kanawa and Utah Symphony Orchestra Fake Plastic Trees by Radiohead This Charming Man by The Smiths Perfect Circle by R.E.M.
  • (4) An impromptu party was held in the luxury show flat of the housing association that was evicting them.
  • (5) The journey up through the Atlas had taken us past impromptu festivals, weekly markets, flocks of goats and a millennium of history.
  • (6) It's one of the show's periodic "dark weeks", so the open-plan offices are almost empty, except for Oliver and his boss, Jon Stewart , who emerges briefly to perform an impromptu monologue about his plans to order falafel for lunch.
  • (7) For many, the greatest proof of the pope's commitment to inclusivity and his desire to appeal to those who have long felt ignored or criticised by the church came during an impromptu press conference on a flight back from Brazil in July.
  • (8) The other high-profile beneficiaries of the amnesty are Nadezhda Tolokonnikova and Maria Alyokhina of the punk group Pussy Riot, who are serving two-year sentences for staging an impromptu punk performance in Moscow's main cathedral early last year.
  • (9) I'll do anything: peel spuds, look after the veg, make an impromptu pud.
  • (10) The maelstrom began only a few minutes into the televised debate at Hofstra University, on Long Island, on Wednesday night, when McCain seized on an impromptu encounter between Obama and a resident in Holland, Ohio, last weekend.
  • (11) A fter everything else – after Flynn, after the failure to replace him, after the Ice raids and the impromptu strategy session at Mar-a-Lago, and after yesterday’s bizarre press conference – who does Trump have left on his side?
  • (12) Whether you're a sculptor, painter, photographer, or simply want to show off some impromptu acts of creative genius, the Alley wants to hear from you.
  • (13) After a nauseating impromptu public love-in with historian Niall Ferguson , who undermined what had been a persuasive argument on the reorganisation of the history syllabus by suggesting we adopt the US model – was there ever a nation who understood less of the world?
  • (14) One man was arrested in Sydney after students staged an impromptu sit-in on a busy city street, while marches also brought traffic to a halt in Melbourne, Newcastle, Hobart, Brisbane and Perth.
  • (15) Turner fondly recalled an impromptu pre-election rally near Houston with Cruz and his wife giving speeches from the back of a pick-up truck: "They spoke our values then he went to Washington and followed them."
  • (16) When about 20,000 people turned up for an impromptu opposition funeral rally in Mazzeh in February this year, for example, it was the shabiha who, according to demonstrators interviewed by the Guardian in Damascus, fired on the protesters.
  • (17) 3.25pm ET: The crowd is moving off the Mall into what looks like an impromptu parade up Pennsylvania, heading for the White House...
  • (18) The impromptu performance came at the end of a nationwide minute’s silence to honour the 22 people killed in Monday’s bombing at Manchester Arena.
  • (19) Another 6 Music DJ, Tom Robinson, also spoke to the crowd, which broke into an impromptu rendition of The Beatles' Hey Jude, with the lyrics changed to "Save 6" .
  • (20) Apart from one December, when a travelling Oxford college choir thought we would enjoy an impromptu carol concert.