(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.
Substantive
Definition:
(a.) Betokening or expressing existence; as, the substantive verb, that is, the verb to be.
(a.) Depending on itself; independent.
(a.) Enduring; solid; firm; substantial.
(a.) Pertaining to, or constituting, the essential part or principles; as, the law substantive.
(n.) A noun or name; the part of speech which designates something that exists, or some object of thought, either material or immaterial; as, the words man, horse, city, goodness, excellence, are substantives.
(v. t.) To substantivize.
Example Sentences:
(1) Alternatives for the selection of substantive clinical attributes, the overall structural format into which categories are organized, and construction procedures used in developing a psychopathologic taxonomy are elaborated, as are a number of criteria for evaluating the taxonomy's utility and efficacy.
(2) Further it is argued that there is a need to amalgamate the substantive, conceptual, and methodological facets of research.
(3) Among the implications of the less-than-impressive substantive results of the MWTA is the lesson that while a crisis can tilt the political balance in favor of regulatory legislation, it cannot as readily produce the consensus required to sustain that regulation at the levels promised in the legislation.
(4) Wicker's (this issue) article on substantive theorizing outlines an approach to theory and research that helps communicate the structure and process of doing research on a complex area.
(5) Our findings demonstrate the long lasting substantivity of doxycycline hydrochloride on periodontally diseased root surfaces and supports the concept of using root surfaces as a substrate for the deposition and slow release for local tetracycline delivery.
(6) Twenty-five years of persistent research at the Jena Institute of Bacterial Animal Diseases have yielded substantive results of relevance to general knowledge and veterinary practice in the following fields: Mycoplasma species in farm animals-isolation, demands on culturing substrate, and differentiation; Virulence testing; Development, production, and application of diagnostic preparations; Development to full application maturity of diagnostic techniques and concepts for control of several mycoplasmal infections of relevance in terms of economy.
(7) Redesigning the dream was identified as the integrative theme in the substantive theory that described how family members gradually modify their beliefs about organ transplantation and develop attitudes and beliefs to meet the challenge of living with continual unpredictability.
(8) These data suggest that although a shortened form of the HIT may be useful with aged persons, research exploring the substantive bases for creating a shortened version of the HIT is nevertheless necessary.
(9) Unfortunately, a large number of potential compounds are unsuitable for use in dentifrices because they lack "substantivity", produce undesirable side-effects, or are incompatible with toothpaste ingredients.
(10) Methodological and substantive recommendations for future research are made and a discussion of possible mechanisms is presented.
(11) When the influence of castration on adduct formation was investigated, adduct levels in kidneys of castrated females were higher than those in sham-operated females, but adduct levels in kidneys of the castrated male animals were not substantively different from those seen in sham-operated male controls.
(12) Based on a discrete-time hazard modeling approach, the results substantiate that the occupational task activities--substantive complexity and physical demands--are key elements of the work environment that are evaluated against nonwork alternatives.
(13) "I think when critics don't have a substantive alternative to offer they reach for the 'out of touch' criticism," he said.
(14) Findings revealed two substantive processes, the touching process and acquiring a touching style, neither of which has been previously reported.
(15) Quantitative information is the substantive input to decisions on whether oral and maxillofacial surgeons wish to go where they appear to be going, and if so why, and if not, why not?
(16) The Kinnaird report was very critical of defence acquisition processes up to that point, because approval had often been “sought before whole-of-life costs are well defined and, for many projects, prior to substantive engagement with industry.
(17) What came out instead was a substantive document, involving concrete steps towards defusing the crisis.
(18) But political will to uplift the lot of women substantively was lacking.
(19) But I reckon Laura Tingle is dead right on the substantive challenge - the statement just shows the country can no longer coast.
(20) The union's assistant general secretary Diana Holland said: "We will not be calling Easter strike action as we focus on substantive talks through Acas.