What's the difference between uncertain and undeterminate?

Uncertain


Definition:

  • (a.) Not certain; not having certain knowledge; not assured in mind; distrustful.
  • (a.) Irresolute; inconsonant; variable; untrustworthy; as, an uncertain person; an uncertain breeze.
  • (a.) Questionable; equivocal; indefinite; problematical.
  • (a.) Not sure; liable to fall or err; fallible.
  • (a.) To make uncertain.

Example Sentences:

  • (1) However, the mechanism of the inhibitory action is still somewhat uncertain.
  • (2) Of course the job is not done and we will continue to remain vigilant to all risks, particularly when the global economic situation is so uncertain,” the chancellor said in a statement.
  • (3) The functional significance of these early changes in the nodal region is uncertain.
  • (4) Preservation of dopaminergic and H1 neurotransmission, probably within the blood barrier, is needed to allow the neuroendocrine transduction of cholinergic inputs, whereas the role of 5-HT neurotransmission remains uncertain.
  • (5) The nature of these infiltrative foci remains uncertain; however, they are unlikely to have been of neoplastic origin and may be due to interleukin-2-induced lymphocytic infiltration.
  • (6) Whether or not any alteration in disease progression will accrue from demonstrated local downstaging is, of course, uncertain.
  • (7) Similarly, it appears that acute hydronephrosis or worsening of an existing hydronephrosis has been somewhat overlooked as a possible cause of uncertain abdominal pain during pregnancy.
  • (8) In 11 patients, the electrophysiological mechanism remained uncertain.
  • (9) The nature of the cystatin C-immunoreactive substance in some of these vascular lesions is uncertain, but it might conceivably play an additional important role in the pathogenesis of brain hemorrhage in these cases.
  • (10) The mechanism of action is still uncertain but it is believed by some workers to be similar to that of a beta-adrenergic stimulator.
  • (11) Assays of drug levels in blood and of other biochemical characteristics of psychiatric patients are being proposed for clinical application, although their utility in practice remains uncertain.
  • (12) In 26 patients, including the two reported here, etiology was uncertain (idiopathic aneurysm of the left ventricle) in as much as malformation or an infectious disease might have been the underlying cause.
  • (13) Instead of inevitable defeat there is uncertain cop-out.
  • (14) The aetiology remains at present uncertain and therefore rational therapeutic strategies are difficult to plan.
  • (15) It was concluded that (1) there is a group of patients whose histories of poliomyelitis are uncertain, and (2) the lack of clear evidence for previous denervation after extensive electrodiagnostic testing is a valid means for excluding the diagnosis of postpoliomyelitis syndrome.
  • (16) Although approximately 24,000 adolescents were questioned, the investigations together provide an uncertain picture of the habits as these are not representative for Danish adolescents.
  • (17) McCall said the outlook remained uncertain: “The economic and operating environment remains uncertain, following the high levels of disruption and more recently the UK’s referendum decision to leave the EU, as well as the recent events in Turkey and Nice, which have affected consumer confidence.
  • (18) The significance of this event is uncertain; cleaved NGF demonstrates bioactivity and no function has been attributed to the octapeptide produced (NGF-OP; Ser-Ser-Thr-His-Pro-Val-Phe-His).
  • (19) While the histogenesis of these tumors remain uncertain, it is necessary to recognize that these aggressive neoplasms may occur primarily in the skin.
  • (20) Estimates of the number of eventual TA-AIDS cases to be seen are considerably more uncertain and require additional assumptions about the incubation distribution.

Undeterminate


Definition:

  • (a.) Nor determinate; not settled or certain; indeterminate.

Example Sentences:

  • (1) The mode of action is as yet undetermined, but intracellular vacuoles may be the primary targets.
  • (2) The origin of these cells remains undetermined, mainly because the diagnosis in most of these cases has been made on autopsy.
  • (3) The basic biochemical defect of cystic fibrosis (CF) remains undetermined, but impaired function of the beta-adrenoceptor-mediated adenosine 3':5'-cyclic monophosphate (cyclic AMP)-dependent regulatory pathway in secretory cells is likely to be involved in the pathophysiology of the disease.
  • (4) As for his detention following a possible conviction … although Mr Aswat would have access to mental health services regardless of which prison he was be detained in, his extradition to a country where he had no ties and where he would face an uncertain future in an as yet undetermined institution, and possibly be subjected to the highly restrictive regime in ADX Florence, would violate article 3 of the convention."
  • (5) Only in 17% of all cases was the cause of death reported as unknown or undetermined.
  • (6) The mechanism of calcification appearance is also undetermined.
  • (7) It is suggested that the increases in rCBF in FD may compensate for a yet undetermined autoregulatory failure of cerebral vasculature.
  • (8) The continued recovery of the variant strain of adenovirus type 3 from patients with hepatitis, although at relatively low rates of isolation, suggested a possible undetermined relation to the disease.
  • (9) Moreover, a yet undetermined number of pathological conditions is accompanied by the deposition of more or less defined storage materials in cutaneous tissue elements.
  • (10) Endocytotic vesicles then carry virus to an as yet undetermined site of uncoating.
  • (11) The mercury(II) also enhances the reaction yield through some undetermined mechanism.
  • (12) Patients with fevers of undetermined origin had significantly higher antibody titers to B. canis than all other patients (P less than or equal to 0.001).
  • (13) The usefulness of performing angiography in the cases of isolated abducens palsy of undetermined nature, is stressed.
  • (14) Patients with monoclonal gammopathy of undetermined significance (MGUS) have a monoclonal protein but no evidence of multiple myeloma, macroglobulinemia, amyloidosis, or related disorders.
  • (15) Using the life table method, 962 cases of infarction, 279 cases of hemorrhage, and 243 cases of undetermined type of stroke, occurring in Manitoba between Jan 1, 1970, and June 30, 1971, were analyzed for factors affecting survival.
  • (16) Although its etiology is still undetermined, the liver pathology is characterized by occlusive changes of the intrahepatic portal radicles, portal and periportal fibrosis, irregularly distributed parenchyma atrophies and absent of regeneration nodules.
  • (17) Eight patterns were simulated using experimental data and drug distribution in the two undetermined compartments were obtained by the analog model.
  • (18) In some cases the underlying pathophysiologic mechanism has been defined, but different and as yet undetermined membrane abnormalities are present in others.
  • (19) Two different statistical regression models were used to describe the trends of attempted suicide and undetermined attempted suicide.
  • (20) Monoclonal gammopathy of undetermined significance ("benign" monoclonal gammopathy) is presented in detail.

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