(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.
Redundant
Definition:
(a.) Using more worrds or images than are necessary or useful; pleonastic.
(a.) Exceeding what is natural or necessary; superabundant; exuberant; as, a redundant quantity of bile or food.
Example Sentences:
(1) Hexokinase, phoshofructokinase, and aldolase appear to be rate-limiting in normal cervix epithelium; however, since the increase in activity of the first two in cancers was least of all the glycolytic enzymes, redundant enzyme synthesis probably occurs in the malignant cell for the enzymes catalysing reversible reactions.
(2) Fifty-one severely retarded adults were taught a difficult visual discrimination in an assembly task by one of three training techniques: (a) adding and reducing large cue differences on the relevant-shape dimension; (b) adding and fading a redundant-color dimension; or (c) a combination of the two techniques.
(3) A factor analysis of the ratings given by standards monitoring teams to these 410 homes failed to demonstrate redundancy across standards or grouping of standards by objectives.
(4) Light and electron microscopy showed that polyneuronal innervation was retained in mutant endplates, and the normal process of withdrawal of redundant innervation did not occur.
(5) Carmon Creek is wholly owned by Shell, which said it expected the decision to cost $2bn in its third-quarter results due to impairment, contract provision, redundancy and restructuring charges.
(6) These results suggest that the human immunodeficiency virus type 1 LTR possesses functional redundancy which ensures virus replication in different T-cell types and is capable of changing depending on the particular combination of transcriptional factors present.
(7) Lloyds said it would achieve many of the job cuts through making less use of contractors and voluntary severance but admitted that some compulsory redundancies may be inevitable.
(8) The redundant tissue exhibited an increase in connective tissue components and an inflammatory infiltrate primarily of plasma cells.
(9) So far there have been 50 voluntary redundancies from editorial and a further 82 commercial jobs have been cut.
(10) In the presence of a normal resting ECG, with no hemodynamically-meaningful mitral regurgitation and no evidence of redundant mitral leaflets the risk is even less.
(11) Consequently, Young's classification now seems redundant.
(12) Staff at ITN On have already entered a redundancy consultation with their employer and the National Union of Journalists.
(13) The basement membrane is multilaminated with a highly redundant basal lamina.
(14) As well, two-dimensional 15N-1H heteronuclear spectroscopy was used to resolve a number of ambiguities present in the homonuclear spectra due to resonance redundancies.
(15) But the Afghan redundancy programme offered the chance to relocate to Britain only to interpreters who were still serving British forces in Helmand province in December 2012 and were employed for more than 12 months.
(16) The redundancies are due to be completed by the end of January.
(17) We propose that the deletion of the rRNA operon occurred in the ilv-leu gene cluster of the B. subtilis genome as a result of unequal recombination between redundant sequences.
(18) However, older adults, relative to young adults, exhibited greater reductions in accuracy as the processing requirements increased, and they made significantly more redundant or repetitive requests for information.
(19) The present study, however, qualitatively evaluates the unsharpness of redundant shadows of the mandibular ramus, especially with reference to the effects of first-slit width.
(20) Patients with redundant leaflets may be at high risk of sudden death.