What's the difference between seldom and sometimes?

Seldom


Definition:

  • (a.) Rare; infrequent.

Example Sentences:

  • (1) This scintigraphic localization of osteomyelitis seldom has been reported.
  • (2) Women seldom occupy higher positions in a [criminal] organisation, and are rather used for menial, but often dangerous tasks ,” it notes.
  • (3) Survival and healing of "extremely severe" grade intoxication can only be obtained through a surgical intervention within the first hours; a laparotomy will indicate the depth of the lesions, which is not determined by endoscopy, and will consist of Celerier's stripping method and if necessary a gastrectomy, more seldom a cephalic duodeno-pancreatectomy.
  • (4) Sensitivity and specificity were enhanced when we linked multiple predictors, but this linkage was seldom successful because few patients had more than one positive predictor.
  • (5) Data from cases with myocardial bridges show that both fatty streaks and raised lesions are seldom observed in the region distal to myocardial bridge.
  • (6) This suggests that common food additives are seldom if ever of significance as precipitating factors in chronic urticaria or atopic dermatitis.
  • (7) The pronostic is related to the risk seldom degenerate.
  • (8) Cavernous hemangiomas of the brain stem are usually discovered accidentally during evacuation of a hematoma, and successful surgical treatment of these lesions is seldom achieved.
  • (9) Older animals seldom have a single disease, but rather each one represents a unique combination of varying levels of loss of function at both the cellular and systems level.
  • (10) More specifically, disfigurement seldom was mentioned as a reason for not returning to work and for not participating in social activities with work mates, friends, relatives, and society in general.
  • (11) Partial scrotal loss is seldom a problem, as local flaps and closure of the defect with the remaining scrotal skin can usually be accomplished.
  • (12) In the WikiLeaks cables, the US ambassador in Berlin characterised the chancellor as "risk-averse and seldom creative".
  • (13) It was demonstrated that administrative and ward work constituted the greater part of the activities studied, contact on the other hand being only seldom observed.
  • (14) This event is seldom; only 38 cases of true spontaneous rupture of the spleen in infectious mononucleosis could be found when the literature was reviewed.
  • (15) The neurotologic evaluation is negative and attempts to establish an etiology are seldom fruitful.
  • (16) Although a large population can be healthy for the economy, this seldom seems to be the case in developing countries because of the restricted availability of resources.
  • (17) The main advantage of this classification is that it can be used even in places where postmortems are seldom performed.
  • (18) Because cavernous malformations are often angiographically occult and do not have a characteristic appearance on computed tomography (CT), they are seldom recognized preoperatively and may be missed if the surgical specimen is not carefully reviewed.
  • (19) Although psychiatric symptoms are common among elderly individuals, these symptoms are seldom treated by psychotherapy.
  • (20) Hemangiopericytoma seldom originates from the lung.

Sometimes


Definition:

  • (adv.) Formerly; sometime.
  • (adv.) At times; at intervals; now and then;occasionally.
  • (a.) Former; sometime.

Example Sentences:

  • (1) Cor triatriatum (CT) is a rare congenital defect, surgically correctable, and sometimes difficult to diagnose by cardiac catheterization.
  • (2) The cause has been innumerable "VIP movements", as journeys undertaken by those considered important enough for all other traffic to be held up, sometimes for hours, are described in South Asian bureaucratic speak.
  • (3) In in vitro preparations GABA (10(-7) - 10(-3) M) elicited a dose-dependent relaxation; a decrease in the spontaneous contractions was sometimes observed.
  • (4) In a poll before the debate, 48% predicted that Merkel, who will become Europe's longest serving leader if re-elected on 22 September, would emerge as the winner of the US-style debate, while 26% favoured Steinbruck, a former finance minister who is known for his quick-wit and rhetorical skills, but sometimes comes across as arrogant.
  • (5) Neutral sucrose density sedimentation patterns indicate that neutron-induced double strand-breaks sometimes occur in clusters of more than 100 in the same phage and that the effeciency with which double strand-breaks form is about 50 times that of gamma-induced double strand-breaks.
  • (6) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
  • (7) All the same, it's hard to approach the school, which charges nearly £28,000 for boarders and nearly £19,000 for day girls and is sometimes called "the girls' Eton", without a few prejudices.
  • (8) Eleven had hematological disorders, and 12 received steroids (sometimes with immunosuppressive or cytotoxic drugs).
  • (9) But we sent out reconnoitres in the morning; we send out a team in advance and they get halfway down the road, maybe a quarter of the way down the road, sometimes three-quarters of the way down the road – we tried this three days in a row – and then the shelling starts and while I can’t point the finger at who starts the shelling, we get the absolute assurances from the Ukraine government that it’s not them.” Flags on all Australian government buildings will be flown at half-mast on Thursday, and an interdenominational memorial service will be held at St Patrick’s cathedral in Melbourne from 10.30am.
  • (10) Alveoli underlying the plasma membrane sometimes contain binding sites, particularly on their outer membranes.
  • (11) These results provide further data which counter the sometimes extreme advocates of the view that compulsory admission and treatment of patients with psychiatric illness is never acceptable.
  • (12) They have informed, advocated and sometimes goaded participants in a way that will be entirely familiar to people in Europe.
  • (13) The minimum contraction produced by the threshold current involved usually three or four, sometimes two, sarcomers on both sides of the injecting pipette but contraction involving only one sarcomere was not observered.
  • (14) Vascular disturbances may develop very early, sometimes in the first month after manifestation of the disease.
  • (15) A few chromosomes show only telomeric staining in one arm or sometimes in both arms.
  • (16) In the midst of all the newspaper headlines and vigils you can sometimes lose sight of the man who was on death row.
  • (17) Rayburn, who was also told by his jobcentre he would lose his benefits if he did not work without pay, said he spent almost two months stacking and cleaning shelves and sometimes doing night shifts.
  • (18) Although studies of the effect of manipulating sensory systems during development are sometimes difficult to interpret (e.g.
  • (19) 99mTc-PMT scintigraphy is useful in connection with 99mTc-colloid scan and sometimes with 67Ga-citrate in the diagnosis of intrahepatic masses originating from hepatocytes.
  • (20) Sometimes it can seem as if the history of the City is the history of its crises and disasters, from the banking crisis of 1825 (which saw undercapitalised banks collapse – perhaps the closest historic parallel to the contemporary credit crunch), through the Spanish panic of 1835, the railway bust of 1837, the crash of Overend Gurney, the Kaffir boom, the Westralian boom, the Marconi scandal, and so on and on – a theme with endless variations.