(a.) Belonging to the essence, or that which makes an object, or class of objects, what it is.
(a.) Hence, really existing; existent.
(a.) Important in the highest degree; indispensable to the attainment of an object; indispensably necessary.
(a.) Containing the essence or characteristic portion of a substance, as of a plant; highly rectified; pure; hence, unmixed; as, an essential oil.
(a.) Necessary; indispensable; -- said of those tones which constitute a chord, in distinction from ornamental or passing tones.
(a.) Idiopathic; independent of other diseases.
Example Sentences:
(1) However, medicines have an important part to play, and it is now generally agreed that for the very poor populations medicines should be restricted to those on an 'essential drugs list' and should be made available as cheaply as possible.
(2) The results of the evaluation confirm that most problems seen by first level medical personnel in developing countries are simple, repetitive, and treatable at home or by a paramedical worker with a few safe, essential drugs, thus avoiding unnecessary visits to a doctor.
(3) Nucleotide, which is essential for catalysis, greatly enhances the binding of IpOHA by the reductoisomerase, with NADPH (normally present during the enzyme's rearrangement step, i.e., conversion of a beta-keto acid into an alpha-keto acid, in either the forward or reverse physiological reactions) being more effective than NADP.
(4) Community involvement is a key element of the Primary Health Care (PHC) approach, and thus an essential topic on a course for managers of Primary Health Care programmes.
(5) No significant fatty acid binding by proteins was detected in S. cerevisiae, even when grown on a fatty acid-rich medium, thus indicating that such proteins are not essential to fatty acid metabolism.
(6) The UK's standard position on ICC indictees is to avoid all contact unless "essential".
(7) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
(8) Most cis AB sera have anti-B activity, essentially at 4 degrees C. In saliva A and H substances are found in normal amounts but B substance is only evidenced by inhibition of autologous cells agglutination.
(9) Treatment with trypsin gave essentially one radioactive peptide, the active site peptide, of approximately 2300 molecular weight.
(10) We conclude that this enzyme is essentially identical to the native enzyme and should be very useful in the future study of this important hydroxylase.
(11) Thus serum ionized calcium in untreated essential hypertensive patients may predict the blood pressure response to the slow calcium channel blocker verapamil.
(12) The effects of supervised mild aerobic exercise at the work load of the blood lactate threshold for 10 weeks on serum lipids and apolipoproteins were studied in 24 patients with essential hypertension.
(13) No other essential regulatory sequence is located further upstream.
(14) Based on the results of the Community AIM Exploratory Action, further collaborative work is required at EEC level to create an Integrated Health Information Environment (IHE) allowing essentially for integration, modularity and security.
(15) Ovarian vein sampling for androgen was essential in locating this patient's microscopic tumor.
(16) After approximately 20 in vitro passages, Chinese hamster kidney (CHK) cell cultures transformed upon exposure to different strains of SV 40 can show a diploid modal chromosome number of 22 with chromosome counts exclusively or essentially in the diploid range (20-25).
(17) An official from Cafcass, the children and family court advisory service, tried to persuade the child in several interviews, but eventually the official told the court that further persuasion was inappropriate and essentially abusive.
(18) Of 55 new open reading frames analysed by gene disruption, three are essential genes; of 42 non-essential genes that were tested, 14 show some discernible effect on phenotype and the remaining 28 have no overt function.
(19) Essential characteristics of the composite bone cement included a homogeneous and uniform fiber distribution, and a minimal increase in apparent viscosity of the polymerizing cement.
(20) The median blood levels were lower in hyperacidic subjects and higher in hypoacidic patients; the urinary excretion of the digitalis compound showed no essential differences.
Inessential
Definition:
(a.) Having no essence or being.
(a.) Not essential; unessential.
Example Sentences:
(1) A -1 frameshift eliminating the inessential 122 C-terminal amino acids is a surprising loss-of-function mutation.
(2) SPR6 is inessential for sporulation; mutants that lack SPR6 activity sporulate normally and produce viable ascospores.
(3) Rearing in DC light was equally effective as FR, so visual contrasts per se are apparently inessential.
(4) Cadmium is an inessential trace metal which accumulates in human tissues from contamination of food, water or air.
(5) Cephapirin has no and cephacetril only inessential advantages.
(6) The best stories there remove all inessentials, and what you're left with is something extremely efficient.
(7) We can therefore conclude that the terminus region is composed mainly of expressable, albeit inessential, protein-encoding genes.
(8) Analysis of chromosomal rearrangements and transformation with deletion clones identified 342 N-terminal and 124 C-terminal residues as inessential and localized a C-terminal region required for nitrogen metabolite repressibility.
(9) The contrast between the effects of the inessential elements Cd and Pb on the potential corresponds to the difference between their paths of uptake.
(10) The order of magnitude of the observed effects indicates that the contribution of the electrostatic interaction to the observed isotopic effect may be considered inessential.
(11) The basic decision to medical activity -- active striving for a rapid, exact diagnosis or waiting when the diagnosis is uncertain -- does not inessentially influence the standpoint in the controversy about the emergency endoscopy.
(12) The word suggests that the second term is inessential, merely adding to the first term, which is primary, full, self-sufficient.
(13) Thus the main actions of this alternate day therapy with corticosteroids were apparently on total peripheral cell numbers, and perhaps on activated cells and effector mechanisms too, and its thymic effects were inessential.
(14) If doctors and hospitals were motivated by a desire for profit and they knew their patients were backed by the taxpayers' open cheque book they would have a perverse incentive to err on the side of prescribing inessential and costly treatments.
(15) ran1+ is normally essential for vegetative cell reproduction but is inessential in cells which have abnormally high levels of cAMP-dependent protein kinase.
(16) From the experimental point of view was demonstrated the inessential character of the nerve supply for the survival of the kidney.
(17) This report should be viewed as a good start for what changes need in the end to be made.” But the report’s assessment that the bulk collection had an inessential relationship with domestic counterterrorism provides a tailwind to a legislative effort supported by Wyden, the USA Freedom Act, to end it.
(18) We conclude that SPR3 expression is a valid monitor of early meiotic development, even though the gene is inessential for the sporulation process.
(19) having a function) from possibly inessential ones (i.e.
(20) First, inessential differences, such as prominence of systemic upset, indicate need for clinical drug trials.