What's the difference between navigation and sextant?

Navigation


Definition:

  • (n.) The act of navigating; the act of passing on water in ships or other vessels; the state of being navigable.
  • (n.) the science or art of conducting ships or vessels from one place to another, including, more especially, the method of determining a ship's position, course, distance passed over, etc., on the surface of the globe, by the principles of geometry and astronomy.
  • (n.) The management of sails, rudder, etc.; the mechanics of traveling by water; seamanship.
  • (n.) Ships in general.

Example Sentences:

  • (1) BigDog Facebook Twitter Pinterest BigDog is a autonomous packhorse Funded by Darpa and the US army, BigDog is Boston Dynamics’ most famous robot, a large mule-like quadruped that walks around like a dog, self balancing and navigating a range of terrain.
  • (2) An error and covariances analysis shows that the method is robust and accurate enough for autonomous navigation.
  • (3) "GNH is an aspiration, a set of guiding principles through which we are navigating our path towards a sustainable and equitable society.
  • (4) Since the introduction of universal credit we’ve made sure staff know how to support customers navigating the new claim system.
  • (5) It is clear that different subsets of navigational cues guide sensory afferents to muscle and to cutaneous destinations.
  • (6) But US security experts criticised the administration for appearing to time its intervention to suit conflicting agendas of the Asean and Paris summits rather than more boldly assert the principle of freedom of navigation.
  • (7) Instead it said that the changing of the settings – which previously required users to navigate through up to 150 different settings to control who could see their data, to a simpler four-tiered version plus a "customise" option – was "merely a red herring".
  • (8) Further, the results identify the hippocampus as a structure critical for the regulation of navigational behavior that manifests itself in a natural setting.
  • (9) Right parietal lesions resulted in deficits in both tasks, but especially landmark navigation.
  • (10) Daballen navigates the jeep between thorn bushes and over furrows, guided by a rising moon and his intimate knowledge of the terrain.
  • (11) Lord Freud revealed his futuristic vision of how people could soon claim benefits, suggesting ultimately claimants might take advantage of the development of internet eye-glasses by Google – which allows users to surf the internet on the lens of a pair of glasses, using eye movement to navigate the web and make benefits claims.
  • (12) The thinktank added: “It will be interesting to watch next week how Mr Osborne navigates these treacherous waters and avoids the obstacles he constructed for himself.
  • (13) It's only when you try to navigate the system for an elderly relative that you realise how an older person's wellbeing and resilience matter less than the place in the NHS hierarchy of the hospital consultant, GP and social worker.
  • (14) From its earliest days, Facebook has navigated – even pioneered – the territory around privacy, and how we express our personal identities online.
  • (15) We are considering how to demonstrate freedom of navigation in an area that is critical to world trade,” a US official said, speaking on condition of anonymity.
  • (16) Our findings are consistent with the hypothesis that navigating axons may respond to multiple guidance cues during development.
  • (17) Despite Trump’s enthusiasm for Kushner, he will have to navigate a US anti-nepotism law that states a public official “may not appoint, employ, promote, advance, or advocate for appointment … any individual who is a relative of the public official”.
  • (18) But I also know, from my own family’s navigation of a shocking event, that there can be the inverse response as well.
  • (19) The rats also showed good acquisition of escape response in a water maze task carried out 13 weeks after ischemia, but showed slight impairment of spatial navigation in the transfer test.
  • (20) This mode of navigation can be modeled as an input control process that selectively retains favorable and rejects unfavorable consequences of the random responses.

Sextant


Definition:

  • (n.) The sixth part of a circle.
  • (n.) An instrument for measuring angular distances between objects, -- used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See Quadrant.
  • (n.) The constellation Sextans.

Example Sentences:

  • (1) Treatment needs were determined by the worst periodontal score per sextant.
  • (2) Pathologic pockets of 6 mm or more were found in 1.3 and 0.3 sextants in the diabetic and control group subjects, respectively (P less than 0.001).
  • (3) Neither were any differences found in the periodontal condition related to the duration and control of diabetes, whereas diabetics with advanced retinopathy demonstrated more sextants with deep pockets.
  • (4) A randomized four-sextant treatment design was used.
  • (5) The value of digital rectal examination, computerized tomography, magnetic resonance imaging, prostate-specific antigen, transrectal ultrasonography, and systematic-sextant biopsy in the identification of lymph node-positive patients before radical prostatectomy was analyzed in 103 men who had pelvic lymph node dissection, CT had a sensitivity of only 7% and a specificity of 96% in detecting lymph nodes, whereas magnetic resonance imaging had a sensitivity of 50% and a specificity of 100%.
  • (6) Based on the Community Periodontal Index of Treatment Needs (CPITN) it can be stated that more than 90% of the adult population of 25 years and over needs oral hygiene education and scaling in one of more sextants (TN2).
  • (7) The mean number of missing sextants was also significantly higher in diabetics.
  • (8) Very few patients had 'healthy' periodontal sextants at the first visit; the most frequent CPITN category was 3.
  • (9) Any child with two or more sextants or teeth with CPITN code 3 or one sextant code 4 was taken for a radiographic and full clinical examination.
  • (10) The mean number of sextants requiring scaling was 0.6 per person at age 17 in Espoo as compared to 4.5 at 18.5 yr of age in Chiangmai.
  • (11) There are broad differences in the numbers of healthy sextants between developing countries and those which are highly industrialized.
  • (12) Straight rods, fusiforms and motile rods correlated negatively to the number of healthy sextants per subject.
  • (13) In general, females were healthier than males, had a significantly greater number of healthy sextants, less sextants with calculus and less sextants with deep pockets.
  • (14) Posterior sextants with CPITN Code 4 were more likely treated with surgery than sextants with CPITN Code 3.
  • (15) per sextant in the Spaniard population under 20 years of age.
  • (16) One maxillary sextant was splinted, while the other was unsplinted.
  • (17) Four pockets per patient, one in each posterior sextant, were chosen.
  • (18) Partial mouth random recording (2 upper and 1 lower or 1 upper and 2 lower sextants) was made by CPITN of 150 sextants, and at 6 sites around each tooth in each sextant for each index using a pressure-sensitive probe, with Newman tip and Williams markings, and a WHO 621 tip, probing pressure 0.25 N. Ranges of each index were compared with corresponding CPITN data.
  • (19) Surgical therapy was effective over all levels of disease severity and was the preferred form of therapy with respect to reduction of probing depth except for sextants exhibiting 4 to 5 mm pockets.
  • (20) While plaque and calculus were present in many sextants, there was little intense gingivitis and signs of advanced periodontal diseases were rarely present.