What's the difference between impediment and unbar?

Impediment

Definition:

(n.) That which impedes or hinders progress, motion, activity, or effect.
(v. t.) To impede.

Example Sentences:

(1) Impediments to the necessary growth of this subspecialty for the needs of clinical practice and research are outlined and criteria for certification are reviewed.
(2) An understanding of the possible psychologic impediments to weight loss can promote improved therapeutic intervention for the obese patient.
(3) The results suggest that chronic sunlight exposure may be associated with an impediment to normal maturation of human dermal collagen resulting in tenuous amount of HHL.
(4) In order to achieve palatal closure with the least possible impediment to maxillary growth, the two-stage repair seems to be the best procedure in our hands.
(5) Causes of these impediments to maintaining nutritional status are discussed, and suggestions to overcome them are given.
(6) The data are consistent with the hypothesis that there is a sequential increasing impediment of the programmed cascade for downstream heavy chain constant region gene rearrangements.
(7) Lack of reproducibility is a severe impediment of both current conventional and kinetic methods in the prognosis of gliomas.
(8) These organizations can greatly reduce the logistic impediments to evaluating EMS care and initiating improvements.
(9) Changes in the evaluation protocol could preclude existing impediments to provision of information and patient autonomy; however, certain intrapsychic issues must be recognized as ongoing clinical realities to be addressed as the doctrine of informed consent continues to evolve.
(10) This survey shows that the use of nondiagnostic mammography is still less than optimal, and identifies impediments to screening that need to be addressed in cancer control planning efforts.
(11) The most frequently listed impediments included patients' advanced age or fragility, inadequate health insurance, and excess travel distance.
(12) Major issues identified include operational specificity, mislabelling of procedures, relative contributions of components in multi-faceted treatment packages, and impediments to systematic replication.
(13) The clinics of a single university hospital center were observed to determine a practical rationale for and impediments to implementing a medical care evaluation program.
(14) Accurate assessment and effective response is rendered difficult due to underrepresentation or denial by the patient and countertransference impediments to recognition and limit setting by the therapist.
(15) One impediment to such a study is the absence of any identified gene whose transcription is directly dependent on the receptor-hormone complex.
(16) But, according to Ruddick, the state council is a “gerrymander”, with factional leaders creating new “on-paper” branches that meet at most once a year in order to elect a delegate to state council and keep hold of “the numbers” – presenting Liberal reformers with exactly the same structural impediment to change as is faced by Labor.
(17) Conroy said the Minchin protocol was “merely an administrative policy adopted by the Department of Finance” which was “no impediment to a police investigation into Ms Bishop’s conduct”.
(18) A significant impediment in determining the relative contribution of whole blood viscosity to the pathogenesis of cardiovascular and cerebrovascular disease has been the lack of an uncomplicated method to measure whole blood viscosity.
(19) However, the lack of data on the forms of chromium-absorption from foods by the gastro-intestinal tract, and our concomitant inability to obtain an accurate assessment of the daily mobile pool of metabolically active chromium in the human body continues to be an impediment in assessing the overall impact of chromium nutrition.
(20) The results of this study indicated that the use of a nonresorbable hydroxylapatite for grafting resulted in impediment of tooth eruption and distortion of crown development.