What's the difference between casual and occasional?

Casual


Definition:

  • (a.) Happening or coming to pass without design, and without being foreseen or expected; accidental; fortuitous; coming by chance.
  • (a.) Coming without regularity; occasional; incidental; as, casual expenses.
  • (n.) One who receives relief for a night in a parish to which he does not belong; a vagrant.

Example Sentences:

  • (1) The difference in BP between a hospital casual reading and the mean 24 hour ambulatory reading was reduced only by atenolol.
  • (2) We performed a stepwise discriminant analysis first with only casual and end exercise systolic and diastolic BP, then after introducing age, overweight (Lorentz's formula), duration of hypertension, Sokoloff index and cholesterolemia.
  • (3) Best correlations with casual BP are moderate (SBP: r = 0.674, DBP: r = 0.588).
  • (4) With significant correlation, the experimental data show the statistics of the system not to be casual and Gaussian, but chaotic and persistent, with Hurst exponent <H> approximately 0.77 and fractal dimension <D> 1.23.
  • (5) Specifically, 31% of adolescents did not correctly identify "not having sex" as the most effective way of preventing AIDS, and 33% believed that AIDS could be spread through casual contact.
  • (6) Of course, everyone who is not drawn in by the spectacle of a 69-year-old man with hair that clearly telegraphs its owner’s level of self-delusion and casual relationship to the truth is horrified at Trump’s ascendency in the Republican party primary.
  • (7) According to the growth hormone hypothesis, elevated serum growth hormone is one casual factor in the development of diabetic angiopathy.
  • (8) These data indicate that the probability of transmission from infected animals to humans is extremely low and also provide supportive evidence for lack of transmission of HIV by casual contact.
  • (9) Even in zoos voted the best in Europe, the Captive Animals’ Protection Society has pointed out, there can be enough evidence of animals behaving abnormally, or a casual approach to culling any surplus, to avoid them or, ideally, close them down.
  • (10) Perhaps Silver and company would have been a bit more methodical if this embarrassing story had sprung up during the offseason or in early fall, when casual fans are wrapped up in football.
  • (11) By means of the presentation of several cases of Stylohyoid Complex partially or totally ossified, the authors emphasize in the necessity to have in mind this diagnosis in every patient with craniofacial pains, although it is in sometimes a casual radiological finding in a asymptomatic patient.
  • (12) Correlations between casual BP and diurnal records are stronger in controls than in BL patients showing a lower predictive value of clinical assessment in BL patients.
  • (13) However if a public inquiry deems it is still necessary, I believe that the use of casual sex by undercover police may be warranted in very exceptional circumstances.
  • (14) Clinical parameters were age, body weight, sodium excretion (as an estimate for dietary salt intake), systolic and diastolic blood pressure at work, casual blood pressure, resting and stress blood pressure during mental stress test and physical exercise.
  • (15) For many decades, the casual blood pressure (BP) has been the standard for assessing BP response to antihypertensive agents in clinical trials.
  • (16) Oh, I felt terrible, said the barista, but I came into work – displaying the same casual attitude to the illness that has seen thousands struggle into work, or keep up social rounds, despite still being infectious.
  • (17) Twenty-seven adolescents with casual BP about the 50th percentile, 17 males and 10 females, matched for age, were studied as controls.
  • (18) A casual relationship between the two diseases could not be proven, since specific antimyeline antibodies could not be found.
  • (19) Subsequent work with beta-adrenergic blockade suggested that elevated casual HRs in monkeys are associated with sympathetic arousal.
  • (20) About 100 people put in résumés for a casual – and low-paid – job at the Salvation Army homeless shelter.

Occasional


Definition:

  • (a.) Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts.
  • (a.) Produced by accident; as, the occasional origin of a thing.

Example Sentences:

  • (1) Histiocytes, lymphocytes, immunoblasts, and plasma cells were present in expanded paracortical regions which encroached on, and occasionally effaced, lymphoid follicles.
  • (2) While they may always be encumbered by censorship in a way that HBO is not, the success of darker storylines, antiheroes and the occasional snow zombie will not be lost in an entertainment industry desperate to maintain its share of the audience.
  • (3) Occasional vomits occur postoperatively in over half of patients but we are sceptical of the value of graded postoperative feeding regimens.
  • (4) The epithelium of Brunner's gland stained intensely with Ricinus communis agglutinin-I (RCA-I), succinylated-WGA (S-WGA) and wheat-germ agglutinin (WGA), moderately with Bandeirea simplicifolia agglutinin-I (BS-I), Concanavalia ensiformis agglutinin (Con A) peanut agglutinin (PNA) and Ulex europaeus agglutinin-I (UEA-I) and occasionally with Dolichos biflorus agglutinin (DBA), Lens culinaris agglutinin (LCA) and soybean agglutinin (SBA).
  • (5) Our interest in the role of association brain structures during this behavior is not occasional.
  • (6) The region of the tentorium and straight sinus can occasionally give rise to a vermiform appearance (the "AVM artifact").
  • (7) It should also be realised that, in a very few hospitals, swabs which do not have an opaque marker may occasionally be used in theatre.
  • (8) 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.
  • (9) Tissue sections, taken from foliate and circumvallate papillae, generally revealed taste buds in which all cells were immunoreactive; however, occasionally some taste buds were found to contain highly reactive individual cells adjacent to non-reactive cells.
  • (10) Her success has not been universally welcomed - anonymous colleagues are occasionally quoted in the media portraying her as "ambitious" and "bossy".
  • (11) Strains showing occasional antagonism at a particular proportion of concentrations of the test combination, were found to only be indifferent when the mean index of the fractional inhibition concentration of all checkerboard combinations was calculated.
  • (12) Occasionally, these aggregates coagulate and contract into a dense gel in the absence of MgATP or CaATP.
  • (13) The virus neutralizing (VN) titers were occasionally lower where the polyvalent vaccines were used when compared to those from chickens given the monovalent vaccines.
  • (14) Combining drugs may only occasionally be advisable to supplement a desired effect or to attenuate an unwanted one.
  • (15) Stimulation of this mechanism produced an average 58.9% reduction of the heart rate (calculated from 55 responsive points having more than 40% reduction) associated mostly with hypotension, or no change or occasionally a slight increase of the arterial blood pressure.
  • (16) In the progeny of the surviving males, neither translocations nor independent fragments are found; indirect evidence indicated the occasional presence of inversions.
  • (17) Occasionally symptomatic kinking of the internal carotid artery will require correction.
  • (18) At thoracic levels occasional neurons of the intermediolateral column cell group were NGF receptor positive.
  • (19) The PAF receptor antagonist SRI 63-072 in a dose of 0.6 mg, reversed by 70% the reduction of coronary flow within 2-4 min after its addition to the perfusate; ED50 was 0.4 mg. Bradycardia and arrhythmia were reduced; however, the normal electrical activity was only occasionally restored.
  • (20) Staphylococci were the predominant inhabitants of normal skin, whereas micrococci were found only occasionally in this environment.