What's the difference between ambiguous and uncertain?

Ambiguous


Definition:

  • (a.) Doubtful or uncertain, particularly in respect to signification; capable of being understood in either of two or more possible senses; equivocal; as, an ambiguous course; an ambiguous expression.

Example Sentences:

  • (1) Along the spectrum of loyalties lie multiple loyalties and ambiguous loyalties, and the latter, if unresolved, create moral ambiguities.
  • (2) This examination has proved an important help in the diagnosis of all the cases of sexual ambiguity.
  • (3) Exogenous activators of PKC stimulate insulin secretion from B cells, but attempts to define a physiological role for PKC by using inhibitors of this enzyme have produced ambiguous results.
  • (4) The aza analogue (RS)-3-hydroxy-2,5-pyrrolidinedione-3-acetic acid (6) of the five-membered citric anhydride (2) was prepared in the sequence citric acid----2-phenyl-1,3-dioxolan-4-one-5,5-diacetic acid (1)----citric acid beta-amide (3)----6 and used to resolve ambiguities in the mechanism of the citrate synthase reaction.
  • (5) Results obtained with this analog can be ambiguous, since 2-DOG can be phosphorylated by hexokinases of animal cells.
  • (6) Ultrasound has also proven useful in evaluating patients with ambiguous genitalia, amenorrhea and suspected PID and also is an effective means of localizing intrauterine contraceptive devices.
  • (7) Authors have previously published April 1988 a lecture where they criticize the bad denomination "passed coma" full of ambiguity for public mind, to which "brain death" ought to be preferred.
  • (8) There were, though, large omissions and ambiguities that will need to be filled in and clarified as polling day nears.
  • (9) "Prostatic acid phosphatase" is a term that has been used widely and ambiguously to refer to acid phosphatase, which 1) is elevated in the sera of patients with various diseases of the prostate, 2) is inhibited by one or more specific inhibitors, 3) attacks one or more specific substrates, 4) has certain unique antigenic properties, 5) is extracted from homogenates of prostate, and 6) is obtained from prostate secretions, etc.
  • (10) We have Lara Croft and the Temple of Osiris coming to those platforms this December, and Tomb Raider: The Definitive Edition is available on PS4.” However, there is still some slight ambiguity about whether the deal is for Winter 2015 only.
  • (11) This ambiguity was resolved by using resealed ghosts, which are unable to incorporate oleic acid into phospholipids.
  • (12) This report describes a minicomputer-based translation system (TRANSOFT) that employs word order rearrangement followed by word-for-word translation and resolution of ambiguities based on context.
  • (13) Authors report a ring chromosome 18 (18 r) in a four year old boy, with low birth weight, retarded growth and development, microcephaly and plagiocephaly, horizontal nystagmus, ambiguous genitalia, clinodactyly of the fifth finger, distal axial triradius, whorls pattern in 8 fingers in dermatoglyphic.
  • (14) Membrane potential trajectories of 68 bulbar respiratory neurones from the peri-solitary and peri-ambigual areas of the brain-stem were recorded in anaesthetized cats to explore the synaptic influences of post-inspiratory neurones upon the medullary inspiratory network.
  • (15) As well, two-dimensional 15N-1H heteronuclear spectroscopy was used to resolve a number of ambiguities present in the homonuclear spectra due to resonance redundancies.
  • (16) The axon of the labeled bulbospinal neuron had axonal collaterals which were distributed within the region of the nucleus ambiguous of the ipsilateral medulla.
  • (17) Of the 406 tests there have been 85 positive, 296 negative and 25 ambiguous reports.
  • (18) In a second experiment schizophrenics were significantly different from the depressives in showing less inclination to select a metaphorical meaning to an ambiguous adjective in a sentence.
  • (19) Three-quarters of the sample was impaired on at least one of four discourse tests (knowing the alternate meanings of ambiguous words in context; getting the point of figurative or metaphoric expressions; bridging the inferential gaps between events in stereotyped social situations; and producing speech acts that express the apparent intentions of others).
  • (20) Yet, the apparent ambiguities of science confuse the courts, the juries, and the public.

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.