What's the difference between base and essential?

Base


Definition:

  • (a.) Of little, or less than the usual, height; of low growth; as, base shrubs.
  • (a.) Low in place or position.
  • (a.) Of humble birth; or low degree; lowly; mean.
  • (a.) Illegitimate by birth; bastard.
  • (a.) Of little comparative value, as metal inferior to gold and silver, the precious metals.
  • (a.) Alloyed with inferior metal; debased; as, base coin; base bullion.
  • (a.) Morally low. Hence: Low-minded; unworthy; without dignity of sentiment; ignoble; mean; illiberal; menial; as, a base fellow; base motives; base occupations.
  • (a.) Not classical or correct.
  • (a.) Deep or grave in sound; as, the base tone of a violin.
  • (a.) Not held by honorable service; as, a base estate, one held by services not honorable; held by villenage. Such a tenure is called base, or low, and the tenant, a base tenant.
  • (n.) The bottom of anything, considered as its support, or that on which something rests for support; the foundation; as, the base of a statue.
  • (n.) Fig.: The fundamental or essential part of a thing; the essential principle; a groundwork.
  • (n.) The lower part of a wall, pier, or column, when treated as a separate feature, usually in projection, or especially ornamented.
  • (n.) The lower part of a complete architectural design, as of a monument; also, the lower part of any elaborate piece of furniture or decoration.
  • (n.) That extremity of a leaf, fruit, etc., at which it is attached to its support.
  • (n.) The positive, or non-acid component of a salt; a substance which, combined with an acid, neutralizes the latter and forms a salt; -- applied also to the hydroxides of the positive elements or radicals, and to certain organic bodies resembling them in their property of forming salts with acids.
  • (n.) The chief ingredient in a compound.
  • (n.) A substance used as a mordant.
  • (n.) The exterior side of the polygon, or that imaginary line which connects the salient angles of two adjacent bastions.
  • (n.) The line or surface constituting that part of a figure on which it is supposed to stand.
  • (n.) The number from which a mathematical table is constructed; as, the base of a system of logarithms.
  • (n.) A low, or deep, sound. (Mus.) (a) The lowest part; the deepest male voice. (b) One who sings, or the instrument which plays, base.
  • (n.) A place or tract of country, protected by fortifications, or by natural advantages, from which the operations of an army proceed, forward movements are made, supplies are furnished, etc.
  • (n.) The smallest kind of cannon.
  • (n.) That part of an organ by which it is attached to another more central organ.
  • (n.) The basal plane of a crystal.
  • (n.) The ground mass of a rock, especially if not distinctly crystalline.
  • (n.) The lower part of the field. See Escutcheon.
  • (n.) The housing of a horse.
  • (n.) A kind of skirt ( often of velvet or brocade, but sometimes of mailed armor) which hung from the middle to about the knees, or lower.
  • (n.) The lower part of a robe or petticoat.
  • (n.) An apron.
  • (n.) The point or line from which a start is made; a starting place or a goal in various games.
  • (n.) A line in a survey which, being accurately determined in length and position, serves as the origin from which to compute the distances and positions of any points or objects connected with it by a system of triangles.
  • (n.) A rustic play; -- called also prisoner's base, prison base, or bars.
  • (n.) Any one of the four bounds which mark the circuit of the infield.
  • (n.) To put on a base or basis; to lay the foundation of; to found, as an argument or conclusion; -- used with on or upon.
  • (a.) To abase; to let, or cast, down; to lower.
  • (a.) To reduce the value of; to debase.

Example Sentences:

  • (1) The process of sequence rearrangement appears to be a significant part of the evolution of the genome and may have a much greater effect on the evolution of the phenotype than sequence alteration by base substitution.
  • (2) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
  • (3) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
  • (4) The omission of Crossrail 2 from the Conservative manifesto , in which other infrastructure projects were listed, was the clearest sign yet that there is little appetite in a Theresa May government for another London-based scheme.
  • (5) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
  • (6) The analysis is based on the personal experience of the authors with 117 cases and the review of 223 cases published in the literature.
  • (7) In the fall of 1975, 1,915 children in grades K through eight began a school-based program of supervised weekly rinsing with 0.2 percent aqueous solution of sodium fluoride in an unfluoridated community in the Finger Lakes area of upstate New York.
  • (8) Basing the prediction of student performance in medical school on intellective-cognitive abilities alone has proved to be more pertinent to academic achievement than to clinical practice.
  • (9) Induction of labor, based upon only (1) a finding of meconium in the amniocentesis group or (2) a positive test in the OCT group, was nearly three times more frequent in the amniocentesis group.
  • (10) Therefore, we have developed a powerful new microcomputer-based system which permits detailed investigations and evaluation of 3-D and 4-D (dynamic 3-D) biomedical images.
  • (11) The distance between the end of fic and the start of pabA was 31 base pairs.
  • (12) Based on several previous studies, which demonstrated that sorbitol accumulation in human red blood cells (RBCs) was a function of ambient glucose concentrations, either in vitro or in vivo, our investigations were conducted to determine if RBC sorbitol accumulation would correlate with sorbitol accumulation in lens and nerve tissue of diabetic rats; the effect of sorbinil in reducing sorbitol levels in lens and nerve tissue of diabetic rats would be reflected by changes in RBC sorbitol; and sorbinil would reduce RBC sorbitol in diabetic man.
  • (13) The method is based on two-dimensional scanning photon absorptiometry on the distal part of the forearm.
  • (14) At the fepB operator, a 31 base-pair Fur-protected region was identified, corresponding to positions -19 to +12 with respect to the transcriptional start site.
  • (15) Facebook Twitter Pinterest With a plot based around fake (or real?)
  • (16) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
  • (17) Based on these results, we concluded that the inhibition of putrefactive anaerobe 3679 by sorbate resulted from a stringent-type regulatory response induced by the protonophoric activity of sorbic acid.
  • (18) Thus, mechanical restitution of the ventricle is a dynamic process that can be assessed using an elastance-based approach in the in situ heart.
  • (19) Mapping of the cross-link position between U2 and U6 RNAs is consistent with base-pairing between the 5' domain of U2 and the 3' end of U6 RNA.
  • (20) Descriptive features of the syndrome in children, adults and adolescents are given based on the respective work of Pine, Masterson and Kernberg.

Essential


Definition:

  • (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.