(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)
Subclass
Definition:
(n.) One of the natural groups, more important than an order, into which some classes are divided; as, the angiospermous subclass of exogens.
Example Sentences:
(1) Over the past decade, the quinolone antimicrobial class has enjoyed a renaissance with the emergence of the fluoroquinolone subclass.
(2) Depending on the differential sensitivity of nuclear T-ag to extraction by salt and detergent, nuclear T-ag could be separated into nucleoplasmic T-ag, salt-sensitive T-ag and matrix-bound T-ag subclasses.
(3) When sera specific for the subclasses of IgG were used to detect the anti-promastigote antibodies, these were found in IgG1- and IgG3-specific ELISA but not in those for IgG2 or IgG4.
(4) To investigate whether counting cells containing immunoglobulin (Ig) subclass in colonic biopsy specimens of patients with chronic inflammatory bowel disease, in addition to conventional histological evaluation, can improve the differentiation of patients with Crohn's disease from those with ulcerative colitis.
(5) The greatest increase in spontaneous IgG secretion is seen with ulcerative colitis intestinal MNC, due to the secretion of large amounts of IgG subclass 1.
(6) A significant correlation with blocking activity was seen only for antibodies of the IgG4 subclass, and, indeed, the correlation was especially strong in the group of totally asymptomatic patients (but with microfilariae circulating in the blood) in whom blocking antibody levels were highest.
(7) In contrast, complexes of both subclasses inhibited phagocytosis by human monocytes, regardless of the subclass of the inducing antibodies.
(8) IgG-antibodies and every one of four IgG-subclasses were determined by ELISA in 144 sera.
(9) It is concluded that LLC may be subdivided into functional subclasses because less than 10% of bovine luteal cells release OXT.
(10) Jacalin-H combined with immunoglobulins of every class or subclass except monomer IgG.
(11) The 125I-MA has a high binding affinity for surface-displayed IgG (2.22 X 10(9) M-1), reacts equally well with all four subclasses of IgG and not at all with IgM or IgA.
(12) Mouse amniotic fluid was shown to contain a noncytotoxic inhibitor of primary gammaM and secondary gammaM, gammaG subclass splenic plaque forming cells in vitro to SRBC.
(13) A method is described which will determine the distribution of individual apolipoproteins within the HDL subclasses.
(14) IgG subclass typing with monospecific antisera revealed significantly higher antisheath activity in IgG2 in comparison with other IgG subclasses.
(15) When the pattern of IgG subclass anti-IgE activity was studied, further differences between the three groups became apparent.
(16) The rates of catabolism of human gammaG-immunoglobulins of subclasses gammaG(1), gammaG(2), gammaG(3), and gammaG(4) were studied by determining the rates of elimination from the circulation of pairs of (131)I-and (125)I-labeled gammaG-myeloma proteins in 57 patients suffering from cancer other than multiple myeloma.
(17) Five patients who were assigned to the NIDDM subclass had no antibodies.
(18) The MOV-REM neurons were further divided into two subclasses of cells--phasically and tonically discharging neurons.
(19) Opsonization of Staphylococcus aureus (Oxford strain) and specific IgG subclass antibodies against formalised staphylococci were measured in plasmas from 27 patients with significant S. aureus infections and 35 healthy adults and 15 children.
(20) All the other subclasses were able to induce lysis of B10.D2 cells in the presence of rabbit complement.