What's the difference between abstract and class?

Abstract


Definition:

  • (a.) Withdraw; separate.
  • (a.) Considered apart from any application to a particular object; separated from matter; existing in the mind only; as, abstract truth, abstract numbers. Hence: ideal; abstruse; difficult.
  • (a.) Expressing a particular property of an object viewed apart from the other properties which constitute it; -- opposed to concrete; as, honesty is an abstract word.
  • (a.) Resulting from the mental faculty of abstraction; general as opposed to particular; as, "reptile" is an abstract or general name.
  • (a.) Abstracted; absent in mind.
  • (a.) To withdraw; to separate; to take away.
  • (a.) To draw off in respect to interest or attention; as, his was wholly abstracted by other objects.
  • (a.) To separate, as ideas, by the operation of the mind; to consider by itself; to contemplate separately, as a quality or attribute.
  • (a.) To epitomize; to abridge.
  • (a.) To take secretly or dishonestly; to purloin; as, to abstract goods from a parcel, or money from a till.
  • (a.) To separate, as the more volatile or soluble parts of a substance, by distillation or other chemical processes. In this sense extract is now more generally used.
  • (v. t.) To perform the process of abstraction.
  • (a.) That which comprises or concentrates in itself the essential qualities of a larger thing or of several things. Specifically: A summary or an epitome, as of a treatise or book, or of a statement; a brief.
  • (a.) A state of separation from other things; as, to consider a subject in the abstract, or apart from other associated things.
  • (a.) An abstract term.
  • (a.) A powdered solid extract of a vegetable substance mixed with sugar of milk in such proportion that one part of the abstract represents two parts of the original substance.

Example Sentences:

  • (1) For dipeptides containing the amino terminal residues glycine, alanine and phenylalanine, abstraction of the hydrogen from the carbon adjacent to the peptide nitrogen was the major process leading to the spin-adducts.
  • (2) The death certificates were abstracted; all deaths under age 60 and a 20% sample of deaths 60 and older were examined.
  • (3) They are most commonly described as conduct disordered and hyperactive, appear heir to a variety of deficits in verbal and abstract cognition, and perform more poorly in the academic environment.
  • (4) Actin also exhibited a clear dual wave pattern of transport that coincided well with that of tubulin, indicating that both actin and tubulin were the major components of both groups IV and V.(ABSTRACT TRUNCATED AT 250 WORDS)
  • (5) A mathematical model that abstracts the major features of the vegetative life cycle of Neurosopra crassa has been developed, and the action of selection in this model and various extensions of it is such as to maintain polymorphisms of vegetative incompatibility factors.
  • (6) Scott insisted he was an abstract painter in the way he felt Chardin was too: the pans and fruit were uninteresting in themselves; they were merely "the means of making a picture", which was a study in space, form and colour.
  • (7) Neuropsychological functioning in 90 male and female alcoholics and 65 peer controls was examined using both accuracy and time measures for four basic types of neuropsychological functioning: verbal skills, learning and memory, problem-solving and abstracting, and perceptual-motor skills.
  • (8) 131 cases of the Sudden Infant Death Syndrome (SIDS) among infants born in the Municipality of Copenhagen during 1956--1971 were analysed on the basis of data collected prospectively by the infant health visitors and abstracted from police reports.
  • (9) Case abstract data are routinely collected by hospital abstracting services, peer review organizations, and some state agencies.
  • (10) 260, 9265-9271] and possibly electron abstraction-water addition.
  • (11) All 546 patients were surveyed prospectively, using the Health Assessment Questionnaire and information abstracted from hospital records.
  • (12) From the patients' performance we make the following theoretical claims: that some arithmetic facts are stored in the form of individual fact representations (e.g., 9 x 4 = 36), whereas other facts are stored in the form of a general rule (e.g., 0 x N = 0); that arithmetic fact retrieval is mediated by abstract internal representations that are independent of the form in which problems are presented or responses are given; that arithmetic facts and calculation procedures are functionally independent; and that calculation algorithms may include special-case procedures that function to increase the speed or efficiency of problem solving.
  • (13) Narrow paths weave among moss-covered ornate arches and towers on the 80-acre site, and huge abstract sculptures and staircases lead nowhere, but up to the sky.
  • (14) On the basis of information abstracted from case histories, 41 patients who had experienced epileptic seizures thought to be due either to treatment with psychiatric drugs or to withdrawal from sedative drugs were compared with a control group of patients.
  • (15) 11 (suppl 14) 331 (abstract)] [14] also indicates that sensitivity to 4-HC can be used to distinguish primitive progenitor cells from committed progenitor cells.
  • (16) Although these differences in kinetics suggest differences in control mechanism(s), the absence of I and T on the surface of NaCl-grown cells suggests that there is also a common regulatory link among H, S and L.(ABSTRACT TRUNCATED AT 250 WORDS)
  • (17) This is an important precedent, because hydrogen abstraction from carbon-10 is a critical step in the lipoxygenase-catalyzed synthesis of 8- and 12-hydroperoxy-eicosatetraenoates (HPETEs) and for the conversion of 5- and 15-HPETEs to leukotrienes.
  • (18) The correlations between Inability to Abstract and Autism before and after those scales that contributed significantly to the Rs had been partialed out also were calculated.
  • (19) For example, population spikes of "short" latency (3-4 or 4-5 ms, depending on the animal) exhibited only facilitation in response to interstimulus intervals of 1-4 ms.(ABSTRACT TRUNCATED AT 400 WORDS)
  • (20) The inward current caused by nicotine was unaffected by intracellular GTP gamma S.(ABSTRACT TRUNCATED AT 400 WORDS)

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.