What's the difference between hazard and obstacle?

Hazard


Definition:

  • (n.) A game of chance played with dice.
  • (n.) The uncertain result of throwing a die; hence, a fortuitous event; chance; accident; casualty.
  • (n.) Risk; danger; peril; as, he encountered the enemy at the hazard of his reputation and life.
  • (n.) Holing a ball, whether the object ball (winning hazard) or the player's ball (losing hazard).
  • (n.) Anything that is hazarded or risked, as the stakes in gaming.
  • (n.) To expose to the operation of chance; to put in danger of loss or injury; to venture; to risk.
  • (n.) To venture to incur, or bring on.
  • (v. i.) To try the chance; to encounter risk or danger.

Example Sentences:

  • (1) The purpose of this paper is to discuss the potential for integrating surveillance techniques in reproductive epidemiology with geographic information system technology in order to identify populations at risk around hazardous waste sites.
  • (2) They more precisely delineate the hazard identification process and the factors important in supporting risk decisions for developmental toxicants than does any other document.
  • (3) These findings suggest that aerosolization of ATP into the cystic fibrosis-affected bronchial tree might be hazardous in terms of enhancement of parenchymal damage, which would result from neutrophil elastase release, and in terms of impaired respiratory lung function.
  • (4) Therefore, a mortality analysis of overall survival time alone may conceal important differences between the forces of mortality (hazard functions) associated with distinct states of active disease, for example pre-remission state and first relapse.
  • (5) If there was to be guerrilla warfare, I wanted to be able to stand and fight with my people and to share the hazards of war with them.
  • (6) The time to recovery of full consciousness, time to parasite clearance, and mortality were examined with Cox proportional-hazards regression analysis.
  • (7) Classification into hazard categories depends on the overall strength of evidence that an agent may cause mutations in humans.
  • (8) Results in this preliminary study demonstrate the need to evaluate the hazard of microbial aerosols generated by sewage treatment plants similar to the one studied.
  • (9) As for workers potentially exposed to selected chemical hazards, the first survey provides no consistent evidence that such workers were more likely to receive exposure-specific tests than other workers.
  • (10) Ecological risk assessments are used by the US Environmental Protection Agency (US EPA) and other governmental agencies to assist in determining the probability and magnitude of deleterious effects of hazardous chemicals on plants and animals.
  • (11) Gibbs was sent off in the first half at Stamford Bridge for handball, despite replays clearly showing it was his team-mate Alex Oxlade-Chamberlain who illegally deflected an Eden Hazard shot.
  • (12) The purification and concentration of these viruses in their monomeric forms is hazardous when conventional "tube" rotors are used since they invariably result in dissociation and aggregation of the virus particles.
  • (13) The authors consider that this device increases safety during this potentially hazardous procedure by eliminating the flammable polyvinyl chloride endotracheal tube and cottonoid packings most frequently used during this procedure.
  • (14) The identifiable causes of child drowning are absence of a safety barrier or fence around the water hazard, non-supervision of a child, a parental "vulnerable period", an inadequate safety barrier, and tempting objects in or on the water.
  • (15) However, occupational hazards, toxic and iatrogenic drug-induced aetiologies should not be overlooked.
  • (16) Persons responsible for animals may be unaware of the potential hazard or lack good judgment in the use of these chemicals.
  • (17) This has been infrequently reported to occur during general anesthesia and to cause respiratory embarrassment, representing a significant hazard.
  • (18) Unvaccinated children had a mortality hazard ratio of 3.0 compared with vaccinated children (P = .002), indicating a protective efficacy against death of 66% (CI 32%-83%) of measles vaccination.
  • (19) Gallium arsenide has proved to be an ideal substrate material for some uses but is associated with unique health hazards.
  • (20) Recognition, evaluation and control of hazards were carried out in a typical case where chromium was the major pollutant.

Obstacle


Definition:

  • (v.) That which stands in the way, or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral.

Example Sentences:

  • (1) Since the first is balked by the obstacle of deficit reduction, emphasis has turned to the second.
  • (2) If women psychiatrists are to fill some of the positions in Departments of Psychiatry, which will fall vacant over the next decade, much more attention must be paid to eliminating or diminishing the multiple obstacles for women who chose a career in academic psychiatry.
  • (3) Counselors who serve pregnant US teens face a number of obstacles in communicating adoption as a positive alternative.
  • (4) A major obstacle to the characterization of the latter two mechanisms has been the lack of suitable model systems expressing only a single nucleoside transport activity.
  • (5) These observations suggest that refractive anomalies such as anisometropia that limit high frequency spatial resolution and binocular integration can present a major obstacle to the postnatal development of binocular vision.
  • (6) The initiation of clinical trials on islet transplantation as a possible therapeutic approach for human diabetes had been blocked by 2 major obstacles.
  • (7) Venous ectasias and varices which can be encountered, associated with DVA constitute an acquired feature in relation to a venous outlet obstacle.
  • (8) Despite these obstacles, new technologies, coupled with educational efforts, should allow the computer to emerge as a crucial aid to clinicians in the decade ahead.
  • (9) Yet experience has disclosed an obstacle to understanding the relationship between cervical cancer and OC use--cervical cancer may be caused by the human papilloma virus transmitted by sexual intercourse.
  • (10) In this paper something is given of their evolution, diversity, aims and activities; and of the important role they now play in many instances, as well as some of the obstacles to collaboration, co-ordination and integration at different levels of operation--internationally, nationally and locally.
  • (11) It is no obstacle to perform pre- and postoperative radio- and chemotherapy.
  • (12) Obstacles to successful treatment include an erratic schedule, mistrust of authority, and uncooperative or aggressive behavior.
  • (13) One of the main obstacles for the introduction of PCR method to identify HIV1 proviral DNA in routine diagnostic laboratories is the use of radiolabelled oligodeoxynucleotide probes.
  • (14) Digital culture has hardly helped, adding revenge porn, trolls and stranger-shaming to the list of uncomfortable modern obstacles.
  • (15) She feared her chances of being offered a place would be diminished by a Brexit vote, and the practical considerations like a visa and funding would be more of an obstacle.
  • (16) It goes without saying that this won't be easy to achieve, and there are many obstacles to be overcome.
  • (17) Armstrong recognised no obstacle to his ambitions – not morality, not the law.
  • (18) Where foreign policy and defence are concerned, Britain’s desire to be taken very seriously is the chief obstacle to it being taken more seriously.
  • (19) The presence of calcifications within the thyroid cartilage is the major obstacle to US imaging of the larynx and is directly related to age; indeed, only 40% of subjects can be examined at the age of 70.
  • (20) Facebook Twitter Pinterest Britain needs to talk about the R-word: racism It is also a wakeup call to those who recognise racism only when it is played out like a scene from Django Unchained , those who think that racism has to be some vulgar incident perpetrated only by the backward, ignorant and poorly educated, those who believe that racism has to be an act, rather than a complicated and intangible framework that sets up obstacles.