(a.) Denying; implying, containing, or asserting denial, negation or refusal; returning the answer no to an inquiry or request; refusing assent; as, a negative answer; a negative opinion; -- opposed to affirmative.
(a.) Not positive; without affirmative statement or demonstration; indirect; consisting in the absence of something; privative; as, a negative argument; a negative morality; negative criticism.
(a.) Asserting absence of connection between a subject and a predicate; as, a negative proposition.
(a.) Of or pertaining to a picture upon glass or other material, in which the lights and shades of the original, and the relations of right and left, are reversed.
(a.) Metalloidal; nonmetallic; -- contracted with positive or basic; as, the nitro group is negative.
(n.) A proposition by which something is denied or forbidden; a conception or term formed by prefixing the negative particle to one which is positive; an opposite or contradictory term or conception.
(n.) A word used in denial or refusal; as, not, no.
(n.) The refusal or withholding of assents; veto.
(n.) That side of a question which denies or refuses, or which is taken by an opposing or denying party; the relation or position of denial or opposition; as, the question was decided in the negative.
(n.) A picture upon glass or other material, in which the light portions of the original are represented in some opaque material (usually reduced silver), and the dark portions by the uncovered and transparent or semitransparent ground of the picture.
(n.) The negative plate of a voltaic or electrolytic cell.
(v. t.) To prove unreal or intrue; to disprove.
(v. t.) To reject by vote; to refuse to enact or sanction; as, the Senate negatived the bill.
(v. t.) To neutralize the force of; to counteract.
Example Sentences:
(1) In each sheep there was a significant negative correlation between the glucose and corticosteroid concentrations in both maternal and fetal plasma, and there were positive correlations between the maternal and fetal plasma concentrations of glucose, and between the glucose and fructose concentrations of fetal plasma.
(2) In 49 cases undergoing systemic lymphadenectomy 32 were found to have glandular involvement, of which both aortic and pelvic nodes were positive in 17 cases (53.1%), aortic nodes positive but pelvic negative in six (18.8%), and pelvic nodes positive but aortic negative in nine (28.1%).
(3) Comparison of wild type and the mutant parD promoter sequences indicated that three short repeats are likely involved in the negative regulation of this promoter.
(4) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
(5) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
(6) Peripheral eosinocytes increased by 10%, and tests for HBsAg, antiHBs, antimitochondrial antibody and anti-smooth muscle antibody were all negative.
(7) Binding data for both ligands to the enzyme yielded nonlinear Scatchard plots that analyze in terms of four negatively cooperative binding sites per enzyme tetramer.
(8) It is suggested that the normal cyclical release of LH is inhibited in PCO disease by a negative feedback by androgens to the hypothalamus or the pituitary, and that wedge resection should be reserved for patients in whom other forms of treatment have failed.
(9) Increases in extracellular calcium antagonized the negative inotropic effect.
(10) In a further study 1082 patients with a negative or doubtful result of the physical examination were investigated using ultrasound.
(11) Control incubations revealed an inherent difference between the two substrates; gram-positive supernatants consistently contained 5% radioactivity, whereas even at 0 h, those from the gram-negative mutant released 22%.
(12) The results obtained from these test systems were all negative.
(13) After transfection in CH4C1 cells the two isoforms are coupled with adenylate cyclase while only the shortest isoform appears negatively coupled to phospholipase C. Functional D2 dopamine receptors are present in human prolactinomas.
(14) All sera samples were tested by hemagglutination inhibition (HI) test and 881 (78.5%) of those were found to be positive and 242 (21.5%) were negative.
(15) Furthermore, high-density catalase-positive--but not catalase-negative--E. coli can survive and multiply in the presence of competitive, peroxide-generating streptococci.
(16) The remaining 5 soil samples, obtained from sites that were not in close proximity to lakes, were also negative except for one that contained type B.
(17) The percentage of eggs clamped at values more negative than -65 mV, which responded at insemination by developing an If, decreased and dropped to 0 at -80 mV.
(18) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
(19) In addition, transitional macrophages with both positive granules and positive RER, nuclear envelope, negative Golgi apparatus (as in exudate- resident macrophages in vivo), and mature macrophages with peroxidatic activity only in the RER and nuclear envelope (as in resident macrophages in vivo) were found.
(20) In Stage II patients, chemotherapy has an impact on disease mortality for ER-positive and ER-negative premenopausal women and possibly ER-negative postmenopausal patients.
Plate
Definition:
(n.) A flat, or nearly flat, piece of metal, the thickness of which is small in comparison with the other dimensions; a thick sheet of metal; as, a steel plate.
(n.) Metallic armor composed of broad pieces.
(n.) Domestic vessels and utensils, as flagons, dishes, cups, etc., wrought in gold or silver.
(n.) Metallic ware which is plated, in distinction from that which is genuine silver or gold.
(n.) A small, shallow, and usually circular, vessel of metal or wood, or of earth glazed and baked, from which food is eaten at table.
(n.) A piece of money, usually silver money.
(n.) A piece of metal on which anything is engraved for the purpose of being printed; hence, an impression from the engraved metal; as, a book illustrated with plates; a fashion plate.
(n.) A page of stereotype, electrotype, or the like, for printing from; as, publisher's plates.
(n.) That part of an artificial set of teeth which fits to the mouth, and holds the teeth in place. It may be of gold, platinum, silver, rubber, celluloid, etc.
(n.) A horizontal timber laid upon a wall, or upon corbels projecting from a wall, and supporting the ends of other timbers; also used specifically of the roof plate which supports the ends of the roof trusses or, in simple work, the feet of the rafters.
(n.) A roundel of silver or tinctured argent.
(n.) A sheet of glass, porcelain, metal, etc., with a coating that is sensitive to light.
(n.) A prize giving to the winner in a contest.
(v. t.) To cover or overlay with gold, silver, or other metals, either by a mechanical process, as hammering, or by a chemical process, as electrotyping.
(v. t.) To cover or overlay with plates of metal; to arm with metal for defense.
(v. t.) To adorn with plated metal; as, a plated harness.
(v. t.) To beat into thin, flat pieces, or laminae.
(v. t.) To calender; as, to plate paper.
Example Sentences:
(1) Epidermal growth factor reduced plating efficiency by about 50% for A431 cells in different cell cycle phases whereas a slight increase in plating efficiency was seen for SiHa cells.
(2) We have measured the antibody specificities to the two polysaccharides in sera from asymptomatic group C meningococcal carriers and vaccinated adults by a new enzyme-linked immunosorbent assay (ELISA) procedure using methylated human serum albumin for coating the group C polysaccharide onto microtiter plates.
(3) The decline in the frequency of serious complications was primarily due to a decrease in the proportion of patients with open fractures treated with plate osteosynthesis from nearly 50% to 19%.
(4) A substance with a chromatographic mobility of Rf = 0.8 on TLC plates having an intact phosphorylcholine head group was also formed but has not yet been identified.
(5) ACh released from the vesicular fraction was about 100-fold more than could be accounted for by miniature end-plate potentials; possible causes of this overestimate are discussed.
(6) It was found to be convenient for routine laboratory use and increased the yield of positive plate cultures in specimens without antibiotics from 53 to 75% (P less than 0.01) and in specimens containing antibiotics from 24 to 38% (P less than 0.05).
(7) For routine use, 50 mul of 12% BTV SRBC, 0.1 ml of a spleen cell suspension, and 0.5 ml of 0.5% agarose in a balanced salt solution were mixed and plated on a microscope slide precoated with 0.1% aqueous agarose.
(8) Dose distributions were evaluated under thin sheet lead used as surface bolus for 4- and 10-MV photons and 6- and 9-MeV electrons using a parallel-plate ion chamber and film.
(9) The analgesic activity of morphine was assessed by the hot-plate technique in the offspring of female CFE rats that had received morphine twice daily on days 5 to 12 of pregnancy.
(10) Using as little as 0.2 ml of human blood per culture plate, we successfully cloned hybridomas and established a hybrid cell line producing anti-peroxidase antibody.
(11) There is approximately a 25% decrease in aggregation from regions of the rib distal to the metaphyseal-growth plate junction (69%) to the region proximal to it (50%).
(12) A total of 63 patients (95%) showed varying degrees of hyperostosis involving the cribiform plate, planum sphenoidale, or tuberculum sellae (including the chiasmatic sulcus).
(13) In the absence of prostigmine, increasing the concentration of ACh in the synaptic cleft did not change the time constant for decay of end-plate currents.
(14) To selectively stain polyanionic macromolecules of growth plate cartilage and to prevent artifacts induced by aqueous fixation, proximal tibial growth plates were excised from rats, slam-frozen, and freeze-substituted in 100% methanol containing the cationic dye Alcian blue.
(15) Measurements of acetylcholine-induced single-channel conductance and null potentials at the amphibian motor end-plate in solutions containing Na, K, Li and Cs ions (Gage & Van Helden, 1979; J. Physiol.
(16) In this study, a technique is described by which large obturators can be retained with an acrylic resin head plate.
(17) After short-term (1 h) incubation in suspension cultures cells were washed and plated in clonogenic agar cultures.
(18) A significant increase in the number of C. albicans CFU in homogenized and plated segments of the GI tract was recognized in mice with murine AIDS versus the control animals.
(19) Silufol plates can be used for the control of the production of vitamins, their analysis in varying biological objects, as well as in biochemistry, medicine and pharmaceutics.
(20) The relative importance of these properties depends critically on the presence and mode of motion of the tectorial plate.