What's the difference between desirable and necessary?

Desirable


Definition:

  • (v. t.) Worthy of desire or longing; fitted to excite desire or a wish to possess; pleasing; agreeable.

Example Sentences:

  • (1) I'm not sure Tolstoy ever worked out how he actually felt about love and desire, or how he should feel about it.
  • (2) Further improvement of results will be possible by early operation, a desirable objective.
  • (3) This has been accomplished by insertion of a desired gene into a pre-existing immortal cell or by immortalizing primary cells.
  • (4) The light intensity profile for any desired cell can be examined in "real time", even during acceleration of the rotor.
  • (5) Still, even as unknowable as this decision may be for him, as any decision is, really, he is far more qualified to understand his desires and goals that would inform that decision than anyone else is.
  • (6) It’s not just a matter of will or gumption or desire on my part.
  • (7) "The pattern of consumption is that among ebook readers there is a desire to pre-order, or get it quickly, so ebook sales are particularly high in the first few weeks," he said.
  • (8) Attention is drawn to the desirability of differentiating between supra- and sub-gingival calculus in the CPITN scoring system and to the excessive treatment requirements that arise from classifying everyone with calculus as requiring prophylaxis and scaling.
  • (9) Alternatively, the data presented herein strongly suggest that diets containing conventional quantities of fat, in which saturated fat is replaced by unsaturated fat and dietary cholesterol reduced, would result in the desired reductions to total and low-density lipoprotein cholesterol concentrations without the adverse effects of increased postprandial glucose and insulin concentrations, increased fasting and postprandial total and very-low-density lipoprotein triglyceride concentrations, and decreased fasting high-density lipoprotein cholesterol concentrations.
  • (10) Combining drugs may only occasionally be advisable to supplement a desired effect or to attenuate an unwanted one.
  • (11) Five hundred sixty grandmultiparous women were interviewed as to their contraceptive awareness, desirability and use in the three major hospitals in Benin City, Nigeria, between October 1, 1980 and September, 1981.
  • (12) It will not be so low as to put off candidates from outside the corporation but will be substantially less than Thompson's £671,000 annual remuneration – in line with Patten's desire to clamp down on BBC executive pay, which he said had become a "toxic issue".
  • (13) The concept of increasing bone mass and decreasing expanded soft-tissue mass has application within the judgment of the surgeon coupled with the patient's desires.
  • (14) This new derivative could represent a desirable complementation to rhbFGF for the development of more stable pharmaceutical formulations in wound healing applications.
  • (15) These concepts of facial harmony and surgical alterations have been difficult to teach in a residency program, especially regarding preoperative evaluation and a clear idea of the desired surgical results.
  • (16) Subsequent efforts focused on achieving high levels of insecticidal activity while minimizing costs of synthesis and retaining desirable levels of selective toxicity.
  • (17) The reasons are often financial, but can also be a desire for a change of pace or new experiences.
  • (18) Noninvasive procedures (such as Holter monitoring or recording of late potentials) are desirable for screening purposes, whereas it would be acceptable to use more aggressive invasive techniques in certain subsets of patients.
  • (19) KAP studies have demonstrated differences in the family size desires of men and women and in the determinants of attitudes toward birth control.
  • (20) An accurate description of the coronary anatomy is desired before anatomic correction of d-transposition of the great arteries.

Necessary


Definition:

  • (a.) Such as must be; impossible to be otherwise; not to be avoided; inevitable.
  • (a.) Impossible to be otherwise, or to be dispensed with, without preventing the attainment of a desired result; indispensable; requiste; essential.
  • (a.) Acting from necessity or compulsion; involuntary; -- opposed to free; as, whether man is a necessary or a free agent is a question much discussed.
  • (n.) A thing that is necessary or indispensable to some purpose; something that one can not do without; a requisite; an essential; -- used chiefly in the plural; as, the necessaries of life.
  • (n.) A privy; a water-closet.
  • (n.) Such things, in respect to infants, lunatics, and married women, as are requisite for support suitable to station.

Example Sentences:

  • (1) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
  • (2) The low affinity of several N1-alkylpyrroleethylamines suggests that the benzene portion of the alpha-methyltryptamines is necessary for significant affinity.
  • (3) Intravesical BCG is clearly superior to oral BCG, and controlled studies have demonstrated that percutaneous administration is not necessary.
  • (4) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
  • (5) In practice, however, the necessary dosage is difficult to predict.
  • (6) In order to control noise- and vibration-caused diseases it was necessary not only to improve machines' quality and service conditions but also to pay special attention to the choice of operators and to the quality of monitoring their adaptation process.
  • (7) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
  • (8) If there is a will to use primary Care centres for effective preventive action in the population as a whole, motivation of the professionals involved and organisational changes will be necessary so as not to perpetuate the law of inverse care.
  • (9) Obamacare price hikes show that now is the time to be bold | Celine Gounder Read more No longer able to keep patients off their plans outright, insurers have resorted to other ways to discriminate and avoid paying for necessary treatments.
  • (10) Duesberg contends that HIV is neither necessary nor sufficient to cause AIDS.
  • (11) It is therefore necessary, to look at typical clinical manifestations, i.e.
  • (12) We have examined the in vitro membrane assembly characteristics of a variety of leader peptidase mutants and found that domains required for insertion in vivo are also necessary for insertion in vitro.
  • (13) Two hours after the administration, the combinations of ethanol plus diazepam and ethanol plus meclophenoxate impaired significantly the number of necessary repetitions.
  • (14) The first experiment gave good results, although only one participant had any previous experience of hinge axis location, and it is debatable whether or not this experience is necessary before satisfactory results can be obtained.
  • (15) For consistent identification of the normal pancreas, preliminary longitudinal scanning at, or near, the mid-line and subsequent oblique scanning in the long axis are necessary prerequisites in delineating the anatomic outline of the pancreas.
  • (16) 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.
  • (17) Socio-economic improvement or behavioural changes appear necessary for the control of trachoma in endemic areas.
  • (18) This stimulation is mediated by one receptor with an apparent affinity of 3.3 X 10(-6) M. The hydroxyl group in the para position on phenylethanolamine was absolutely necessary to obtain an agonist whereas the meta hydroxyl group or the presence of a catechol almost suppressed the activity.
  • (19) Provided that adequate reflection is given and the appropriate moment chosen, it is well tolerated and provides all the necessary information.
  • (20) Total excisional biopsy is necessary to properly assess an adenoma microscopically.