What's the difference between difficult and negative?

Difficult


Definition:

  • (a.) Hard to do or to make; beset with difficulty; attended with labor, trouble, or pains; not easy; arduous.
  • (a.) Hard to manage or to please; not easily wrought upon; austere; stubborn; as, a difficult person.
  • (v. t.) To render difficult; to impede; to perplex.

Example Sentences:

  • (1) Virtually every developed country has some form of property tax, so the idea that valuing residential property is uniquely difficult, or that it would be widely evaded, is nonsense.
  • (2) Although solely nociresponsive neurons are clearly likely to fill a role in the processing and signalling of pain in the conscious central nervous system, the way in which such useful specificity could be conveyed by multireceptive neurons is difficult to appreciate.
  • (3) In practice, however, the necessary dosage is difficult to predict.
  • (4) Cor triatriatum (CT) is a rare congenital defect, surgically correctable, and sometimes difficult to diagnose by cardiac catheterization.
  • (5) By drawing from the pathophysiology, this article discusses a multidimensional approach to the treatment of these difficult patients.
  • (6) Past imaging techniques shown in the courtroom have made the conventional rules of evidence more difficult because of the different informational content and format required for presentation of these data.
  • (7) The way we are going to pay for that is by making the rules the same for people who go into care homes as for people who get care at their home, and by means-testing the winter fuel payment, which currently isn’t.” Hunt said the plan showed the Conservatives were capable of making difficult choices.
  • (8) In many cases, physicians seek to protect themselves from involvement with these difficult, highly anxious patients by making a referral to a psychiatrist.
  • (9) The diagnosis of variant- or Prizmetal-angina is difficult because if insufficient specificity of the tests.
  • (10) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
  • (11) It was so difficult to keep a straight face when I was filming a sauna scene with Roy Barraclough, who played the mayor of Blackpool.
  • (12) That is, he believes, to look at massively difficult, interlocking problems through too narrow a lens.
  • (13) Conversion of the active-site thiol to thiocyanate makes it more difficult to inactivate the enzyme by treatment with Cd2+.
  • (14) If they end up going to another club that is difficult to take.
  • (15) Cigarette consumption has also been greater in urban areas, but it is difficult to estimate how much of the excess it can account for.
  • (16) The most difficult thing I've dealt with at work is ... the terminal illness of a valued colleague.
  • (17) In that respect, it's difficult to see Allen's anthem as little more than same old same old, and it's probably why I ultimately feel she misses the mark.
  • (18) This hypothesis is difficult to substantiate with direct measurements using human subjects.
  • (19) Extrapolation of gestational age from early crown-rump lengths (CRLs) has been difficult because previously established tables of CRL versus gestational age have contained few measurements at less than seven to eight weeks from the first day of the last menses.
  • (20) Companies had made investments in certain energy sources, the president said, so change could be “uncomfortable and difficult”.

Negative


Definition:

  • (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.