What's the difference between necessity and required?

Necessity


Definition:

  • (n.) The quality or state of being necessary, unavoidable, or absolutely requisite; inevitableness; indispensableness.
  • (n.) The condition of being needy or necessitous; pressing need; indigence; want.
  • (n.) That which is necessary; a necessary; a requisite; something indispensable; -- often in the plural.
  • (n.) That which makes an act or an event unavoidable; irresistible force; overruling power; compulsion, physical or moral; fate; fatality.
  • (n.) The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.

Example Sentences:

  • (1) The indication of the DNA probe method would be considered in the four cases as follows, 1. necessity of the special equipment to isolate the pathogen, 2. necessity of the long period to isolate the pathogen, 3. existence of the cross reaction among the pathogen and relative organisms in the immunological procedure, 4. existence of the difficulty to identify the species of the pathogen by the ordinary procedure.
  • (2) Among 159 patients studied, the severity most frequent was Yahr stage 3 (63%) at first examination, indicating the necessity of earlier diagnosis.
  • (3) When a product is selected for a patient, consideration should be given to necessity, efficacy, adverse effects, and cost-effectiveness.
  • (4) Discussion deals with the plurality, specificity, variability, perceived necessity, sufficiency, international utility and career significance of British postgraduate qualifications.
  • (5) As a result of recent environmental changes in the health care industry, marketing has become a vital necessity for the survival of most hospitals.
  • (6) There is a necessity for early definitive decision-making in the borderline orthognathic surgery patient and the role of orthodontic camouflage is pointed out.
  • (7) For Kohut, interpretation depends on the prior establishment of a stable, sustaining transference; human connexion is a lifelong necessity and full understanding an achievable aim.
  • (8) Management and treatment issues are surveyed, such as the necessity to recognize that in some adolescents violence erupts not from narcissitic rage but from strong wishes for affectionate contact.
  • (9) A prospective study of the necessity of sedation, or analgesia, or both in total colonoscopy was performed.
  • (10) The authors report on the casuistry of aorto-coronary by-pass operations they performed between April 1971 and December 1974, discussing the criteria which indicate the necessity of operating, the principles of the operative techniques, and the results obtained.
  • (11) This case, despite the fatal outcome, emphasises the necessity for a comprehensive approach to the diagnosis of atypical pneumonia, including culture for Legionella, especially in immunocompromised patients.
  • (12) The sonographic method, with a 97.7% specificity and a negative predictive value of 89.5%, proved to be specific enough to eliminate the necessity of routine catheterization for measuring residual bladder volumes of greater than or equal to 150 cm3, thus decreasing the incidence of some major postoperative complications that can occur due to unnecessary catheterization.
  • (13) The development of gallstones following this procedure, however, has become more problematic in that further opeation becomes a real necessity.
  • (14) The necessity of using immunohistochemistry in the diagnosis of sinonasal tumours of fibromatous nature is emphasized.
  • (15) The experience with 1896 restorative operations on injured nerve trunks shows a necessity to consider the problems of diagnosis, prognosis and choice of the treatment, and especially the results of the nerve suture, not in all patients with nerve injury but only in separate groups being comparable with respect to the kind and severity of the trauma.
  • (16) Clinico-immunological studies on the use of drugs containing synthetic and biological polymers revealed their high immunomodulating activity and necessity of differentiated use of these drugs with relation to the pathogenetic mechanisms of development of bronchopulmonary diseases as well as mechanisms of their immunological action determined by the molecular mass of polymers as constituents of blood substitutes.
  • (17) We consider that the rarity of stricture rules out the necessity of any change in management, whether or not erosive oesophagitis is observed at endoscopy.
  • (18) The discrepancy between the judgement of the insurance company based upon the medical records and the patients complaints also 4-7 years after injury as well as the diversification of therapeutical procedures used in the long term patients career are indicating a necessity of prospective study on cervical spine injury.
  • (19) Through small and large acts of deprivation and destruction we follow the process: the removal of hope, of dignity, of luxury, of necessity, of self; the reduction of a man to a hoarder of grey slabs of bread and the scrapings of a soup bowl (wonderfully told all this, with a novelist's gift for detail and sometimes very nearly comic surprise), to the confinement of a narrow bed – in which there is "not even any room to be afraid" – with a stranger who doesn't speak your language, to the cruel illogicality of hating a fellow victim of oppression more than you hate the oppressor himself – one torment following another, and even the bleak comfort of thinking you might have touched rock bottom denied you as, when the most immediate cause of a particular stress comes to an end, "you are grievously amazed to see that another one lies behind; and in reality a whole series of others".
  • (20) In light of the AIDS epidemic and the necessity for safe-sex practices, the topic of caution and prevention is an emerging and critical discourse for the sexual encounter.

Required


Definition:

  • (imp. & p. p.) of Require

Example Sentences:

  • (1) A 2.5-month-old child with cyanotic heart disease who required long-term PGE1 infusions; developed widespread periosteal reactions during the course of therapy.
  • (2) Patients with normal echocardiogram and ECG on admission do not require intensive care monitoring.
  • (3) More than 2 months after the combined treatment were required for the suppression.
  • (4) It involves creativity, understanding of art form and the ability to improvise in the highly complex environment of a care setting.” David Cameron has boosted dementia awareness but more needs to be done Read more She warns: “To effect a cultural change in dementia care requires a change of thinking … this approach is complex and intricate, and can change cultural attitudes by regarding the arts as central to everyday life of the care home.” Another participant, Mary*, a former teacher who had been bedridden for a year, read plays with the reminiscence arts practitioner.
  • (5) Blatter requires a two-thirds majority of the 209 voters to triumph in the opening round, with a simple majority required if it goes to a second round.
  • (6) In platform shoes to emulate Johnson's height, and with the aid of prosthetic earlobes, Cranston becomes the 36th president: he bullies and cajoles, flatters and snarls and barks, tells dirty jokes or glows with idealism as required, and delivers the famous "Johnson treatment" to everyone from Martin Luther King to the racist Alabama governor George Wallace.
  • (7) Even so, amputation of fifteen extremities and four other major excisions were required in twelve patients.
  • (8) However, its identity requires further characterization.
  • (9) Past imaging techniques shown in the courtroom have made the conventional rules of evidence more difficult because of the different informational content and format required for presentation of these data.
  • (10) Further studies are required to elucidate specific roles of the steroid-induced proteins in the effects of glucocorticoids on HTM and HS cells.
  • (11) As the requirements to store and display these images increase, the following questions become important: (a) What methods can be used to ensure that information given to the physician represents the originally acquired data?
  • (12) Maximal covalent binding of [4,5-14C]ronidazole to DNA also required four-electron reduction, consistent with previous studies of the covalent binding of this agent to immobilized sulfhydryl groups [Kedderis et al.
  • (13) Most patients of the bopindolol-group needed 1 mg once daily as compared to those on the nifedipine who required 20 mg b.i.d.
  • (14) Throughout the period of rehabilitation, the frequent changes of a patient's condition may require a process of ongoing evaluation and appropriate adjustments in the physical therapy program.
  • (15) Breast reconstruction should not be limited to the requiring patients, but should represent, in selected cases with favourable prognosis, an integrative and complementary procedure of the treatment.
  • (16) A domain containing a CA repeat, similar to ones found in other late, cAMP-induced Dictyostelium genes, is required for cAMP-induced and developmental expression.
  • (17) Many problems at the macroscopic level require clarification of how an animal uses a compartment of suite of muscles and whether morphological differences reflect functional ones.
  • (18) Although the longest period required for resolving weakness was three days, the MRI, the CT and the electroencephalogram revealed no significant abnormality.
  • (19) T cell costimulation by molecules on the antigen presenting cell (APC) is required for optimal T cell proliferation.
  • (20) In contrast, HEL antigen requires metabolically active cells for both of these processes.