What's the difference between class and level?

Class


Definition:

  • (n.) A group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes.
  • (n.) A number of students in a school or college, of the same standing, or pursuing the same studies.
  • (n.) A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc.
  • (n.) A set; a kind or description, species or variety.
  • (n.) One of the sections into which a church or congregation is divided, and which is under the supervision of a class leader.
  • (n.) To arrange in classes; to classify or refer to some class; as, to class words or passages.
  • (n.) To divide into classes, as students; to form into, or place in, a class or classes.
  • (v. i.) To grouped or classed.

Example Sentences:

  • (1) The interaction of the antibody with both the bacterial and the tissue derived polysialic acids suggests that the conformational epitope critical for the interaction is formed by both classes of compounds.
  • (2) In dogs, cibenzoline given i.v., had no effects on the slow response systems, probably because of sympathetic nervous system intervention since the class 4 effects of cibenzoline appeared after beta-adrenoceptor blockade.
  • (3) The populations of Asia-Oceania have some features of the class II RFLPs in common, which are distinctly different from Caucasoids.
  • (4) The strongest predictor of non-sudden cardiac death was the New York Heart Association functional class.
  • (5) This modulation results from repetitive, alternating bursts of excitatory and inhibitory postsynaptic potentials, which are caused at least in part by synaptic feedback to the command neurons from identified classes of neurons in the feeding network.
  • (6) Radioligand binding studies revealed the presence of a single class of high-affinity (Kd = 2-6 X 10(-10) M) binding sites for ET-1 in both cells, although the maximal binding capacity of cardiac receptor was about 6- to 12-fold greater than that of vascular receptor.
  • (7) Their contour lengths varied from 0.28 to 51 micron, but unlike in the case of maize, a large difference was not observed in the distribution of molecular classes greater than 1.0 micron between N and S cytoplasms of sugar beet.
  • (8) These sequences are also conserved in the same arrangement in minor sequence classes of minicircles from this strain.
  • (9) This suggests that Mg2+ accelerated both reactions from a single class of site.
  • (10) The sensitivity of an indirect fluorescent antibody (IFA) test (screening test) for the detection of antibodies to cytomegalovirus (CMV) was examined by using 128 serum specimens and quaternary aminoethyl (QAE)-Sephadex A50 column chromatography to separate IgM from IgG class antibodies.
  • (11) The purpose of the present study was to analyze the effects of cromakalim (BRL 34915), a potent drug from a new class of drugs characterized as "K+ channel openers", on the electrical activity of human skeletal muscle.
  • (12) Antibiotics and anticonvulsants were the two most commonly used drug classes.
  • (13) The individual classes of drugs are first treated separately to highlight specific aspects of their quantification, and this is followed by an overview of those methods permitting the concomitant analysis of two or more antiepileptic compounds.
  • (14) the class- and specificity-restricted antigen-sensitive units.
  • (15) A NYHA-class greater than II was observed in 18% of patients with type-I hypertrophy, in 29% with type II, but in 61% with type III (p less than or equal to 0.05).
  • (16) Cell lines specific for class I or class II loci of the MHC produced interferon and colony-stimulating factors.
  • (17) To become president of Afghanistan , Ashraf Ghani Ahmadzai changed his wardrobe and modified his name, gave up coffee, embraced a man he once denounced as a “known killer” and even toyed with anger management classes to tame a notorious temper.
  • (18) Enough with Clintonism and its prideful air of professional-class virtue.
  • (19) Participants were selected from existing classes forming a weight training, aerobic exercise and activity control group.
  • (20) This unusual insertion could affect the interaction of cat CD4 with class II molecules, or with FIV, a feline homolog of HIV.

Level


Definition:

  • (n.) A line or surface to which, at every point, a vertical or plumb line is perpendicular; a line or surface which is everywhere parallel to the surface of still water; -- this is the true level, and is a curve or surface in which all points are equally distant from the center of the earth, or rather would be so if the earth were an exact sphere.
  • (n.) A horizontal line or plane; that is, a straight line or a plane which is tangent to a true level at a given point and hence parallel to the horizon at that point; -- this is the apparent level at the given point.
  • (n.) An approximately horizontal line or surface at a certain degree of altitude, or distance from the center of the earth; as, to climb from the level of the coast to the level of the plateau and then descend to the level of the valley or of the sea.
  • (n.) Hence, figuratively, a certain position, rank, standard, degree, quality, character, etc., conceived of as in one of several planes of different elevation.
  • (n.) A uniform or average height; a normal plane or altitude; a condition conformable to natural law or which will secure a level surface; as, moving fluids seek a level.
  • (n.) An instrument by which to find a horizontal line, or adjust something with reference to a horizontal line.
  • (n.) A measurement of the difference of altitude of two points, by means of a level; as, to take a level.
  • (n.) A horizontal passage, drift, or adit, in a mine.
  • (a.) Even; flat; having no part higher than another; having, or conforming to, the curvature which belongs to the undisturbed liquid parts of the earth's surface; as, a level field; level ground; the level surface of a pond or lake.
  • (a.) Coinciding or parallel with the plane of the horizon; horizontal; as, the telescope is now level.
  • (a.) Even with anything else; of the same height; on the same line or plane; on the same footing; of equal importance; -- followed by with, sometimes by to.
  • (a.) Straightforward; direct; clear; open.
  • (a.) Well balanced; even; just; steady; impartial; as, a level head; a level understanding. [Colloq.]
  • (a.) Of even tone; without rising or falling inflection.
  • (v. t.) To make level; to make horizontal; to bring to the condition of a level line or surface; hence, to make flat or even; as, to level a road, a walk, or a garden.
  • (v. t.) To bring to a lower level; to overthrow; to topple down; to reduce to a flat surface; to lower.
  • (v. t.) To bring to a horizontal position, as a gun; hence, to point in taking aim; to aim; to direct.
  • (v. t.) Figuratively, to bring to a common level or plane, in respect of rank, condition, character, privilege, etc.; as, to level all the ranks and conditions of men.
  • (v. t.) To adjust or adapt to a certain level; as, to level remarks to the capacity of children.
  • (v. i.) To be level; to be on a level with, or on an equality with, something; hence, to accord; to agree; to suit.
  • (v. i.) To aim a gun, spear, etc., horizontally; hence, to aim or point a weapon in direct line with the mark; fig., to direct the eye, mind, or effort, directly to an object.

Example Sentences:

  • (1) Cancer patients showed abnormally high plasma free tryptophan levels.
  • (2) Similar experimental manipulation has yielded in vitro lines established from avian B-cell lymphomas expressing elevated levels of c-myc or v-rel.
  • (3) Multiple stored energy levels were randomly tested and the percent successful defibrillation was plotted against the stored energy, and the raw data were fit by logistic regression.
  • (4) Serum levels of both dihydralazine and metabolites were very low and particularly below the detection limit.
  • (5) Carbon dioxide (CO2) levels, volumes, and temperatures of expired gas were measured from the tracheal and esophageal tubes.
  • (6) Since fingernail creatinine (Ncr) reflects serum creatinine (Scr) at the time of nail formation, it has been suggested that Ncr level might represent that of Scr around 4 months previously.
  • (7) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
  • (8) The significance of minor increases in the serum creatinine level must be recognized, so that modifications of drug therapy can be made and correction of possibly life-threatening electrolyte imbalances can be undertaken.
  • (9) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
  • (10) LHRH therapy leads to higher plasma LH levels and a lower FSH in response to an intravenous LHRH test.
  • (11) On the other hand, the LAP level, identical in preterms and SDB, is lower than in full-term infants but higher than in adults.
  • (12) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (13) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
  • (14) Participants (n=165) entering a week-long outpatient education program completed a protocol measuring self-care patterns, glycosylated hemoglobin levels, and emotional well-being.
  • (15) Measurement of the intraspinal monoamine level revealed a decrease in the intraspinal norepinephrine level in the treated animals.
  • (16) The level of gadd45 mRNA increased rapidly after X rays at doses as low as 2 Gy.
  • (17) Irrespective of the type of arthropathy, synovial fluid dialysable hydroxyproline levels correlate with urinary hydroxyproline excretion.
  • (18) This induction is sensitive to actinomycin D but not to protein synthesis inhibitor puromycin, indicating an effect of estradiol at the transcriptional level, possibly mediated by the estrogen receptor.
  • (19) Quantitative determinations indicate that the amount of PBG-D mRNA is modulated both by the erythroid nature of the tissue and by cell proliferation, probably at the transcriptional level.
  • (20) This new observation offers good possibilities to study the metabolism of tryptophan at the cellular level.