What's the difference between class and instance?

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.

Instance


Definition:

  • (n.) The act or quality of being instant or pressing; urgency; solicitation; application; suggestion; motion.
  • (n.) That which is instant or urgent; motive.
  • (n.) Occasion; order of occurrence.
  • (n.) That which offers itself or is offered as an illustrative case; something cited in proof or exemplification; a case occurring; an example.
  • (n.) A token; a sign; a symptom or indication.
  • (v. t.) To mention as a case or example; to refer to; to cite; as, to instance a fact.
  • (v. i.) To give an example.

Example Sentences:

  • (1) Would people feel differently about it if, for instance, it happened on Boxing Day or Christmas Eve?
  • (2) In both instances the permeation rates of proteins can be better correlated to hydrodynamic radii than to molecular weights.
  • (3) In three instances SAA levels increased during hospitalization while CRP levels did not.
  • (4) A 6.4 kilobase C4B-5'-specific Taq I fragment usually provided a reliable guide to the presence of a C4A deletion but unusually in one instance this fragment was found to be a marker of a functioning C4A gene.
  • (5) "Runners, for instance, need a high level of running economy, which comes from skill acquisition and putting in the miles," says Scrivener, "But they could effectively ease off the long runs and reduce the overall mileage by introducing Tabata training.
  • (6) Both hypodontia and hyperdontia are found in a number of well-defined genetic syndromes and in most instances are common characteristics of the disease.
  • (7) The opportunities for infection are often strong in areas of high population within a city – schools, for instance.
  • (8) Of these, 12 had radiation-induced neurologic complications which, in 5 instances, consisted of persisting, wholly or partially disabling paresis in the lower limbs.
  • (9) The decision of the editors to solicit a review for the Medical Progress series of this journal devoted to current concepts of the renal handling of salt and water is sound in that this important topic in kidney physiology has recently been the object of a number of new, exciting and, in some instances, quite unexpected insights into the mechanisms governing sodium excretion.
  • (10) We firmly believe that a systematic approach to the 12-lead ECG can provide information that can diagnose the difference between ventricular and supraventricular tachycardia, and in many instances diagnose the mechanism and site of origin of the supraventricular tachycardia.
  • (11) Other less common indications are some instances of aspiration pneumonia, septicemias due to B. fragilis, and actinomycoses.
  • (12) Tension in flexor tendons during wrist flexion may play a role in otherwise unexplained instances of the carpal tunnel syndrome.
  • (13) But most instances are more mundane: the majority of fraud cases in recent years have emerged from scientists either falsifying images – deliberately mislabelling scans and micrographs – or fabricating or altering their recorded data.
  • (14) The right side of the ventricular septum was affected in five instances.
  • (15) Women on the beat: how to get more female police officers around the world Read more Mortars were, for instance, used on 5 June when Afghan national army soldiers accidentally hit a wedding party on the outskirts of Ghazni, killing eight children.
  • (16) Our own experiences have shown that patients involved in studies with well designed protocols are better controlled and in most instances also better treated than patients treated outside such protocols.
  • (17) No instances of osteoradionecrosis occurred as a result of dental extraction with this conservative method.
  • (18) Therefore these suggested methods of choice may not in every instance be the most accurate of all indicators of nutritional status for a particular nutrient.
  • (19) The advantage of this in vivo method is the possibility to determine the thyroidal activity at various times after 131I-application (2 phase test) and by repeated 131I-applications under different conditions (diet, age, for instance).
  • (20) In each instance, dexamethasone was given at midnight and the plasma ACTH concentration was determined at 9:00 a.m. on the day before and after administration of the dexamethasone.