What's the difference between track and trajectory?

Track


Definition:

  • (n.) A mark left by something that has passed along; as, the track, or wake, of a ship; the track of a meteor; the track of a sled or a wheel.
  • (n.) A mark or impression left by the foot, either of man or beast; trace; vestige; footprint.
  • (n.) The entire lower surface of the foot; -- said of birds, etc.
  • (n.) A road; a beaten path.
  • (n.) Course; way; as, the track of a comet.
  • (n.) A path or course laid out for a race, for exercise, etc.
  • (n.) The permanent way; the rails.
  • (n.) A tract or area, as of land.
  • (v. t.) To follow the tracks or traces of; to pursue by following the marks of the feet; to trace; to trail; as, to track a deer in the snow.
  • (v. t.) To draw along continuously, as a vessel, by a line, men or animals on shore being the motive power; to tow.

Example Sentences:

  • (1) Lucy and Ed will combine coverage of hard and breaking news with a commitment to investigative journalism, which their track record so clearly demonstrates”.
  • (2) DATA Modern football data analysis has its origins in a video-based system that used computer vision algorithms to automatically track players.
  • (3) The company said it was on track to meet forecasts for annual profit of about £110m.
  • (4) Liu was a driving force behind the modernisation of China's rail system, a project that included building 10,000 miles of high-speed rail track by 2020 – with a budget of £170bn, one of the most expensive engineering feats in recent history.
  • (5) Tracks were almost exclusively written on tour, including this jolting number, with an additional four tracks recorded in the studio.
  • (6) Both microcomputer use and tracking patient care experience are technical skills similar to learning any medical procedure with which physicians are already familiar.
  • (7) Nevertheless, Richard Bacon MP, a member of the Public Accounts Committee, who has tirelessly tracked failings in NHS IT, said last night: "I think the chances that Lorenzo will be turned into a credible and popular product are vanishingly small.
  • (8) Gerhard Schröder , Merkel’s immediate predecessor, had pushed through parliament a radical reform agenda to get the country’s spluttering economy back on track.
  • (9) That would be the first step towards banning Russia’s track team from next year’s Olympics in Rio de Janeiro.
  • (10) Piedmont’s research, which was conducted among 3,000 filmgoers and weighted to the demographics of the cinemagoing public, is not the same as the Hollywood tracking system, which delivers predictions of box-office success.
  • (11) Only two of the 31 commandos escaped; the rest were tracked down and killed.
  • (12) Latencies were increased two- to threefold, and tracking was more variable.
  • (13) However, clemastine caused a decay in subjects' performance in both Experiments I and II, but only on the tracking task.
  • (14) Burns has a successful track record of opposing fees.
  • (15) The workforce has changed dramatically since 1900 – just 29,000 Americans today work in fishing and the number of job titles tracked by the Bureau of Labor Statistics has grown to almost 600 – everything from “animal trainers” to “wind turbine service technicians” (and there are even more sub categories).
  • (16) The fact that we’re tracking towards the hottest year on record should send chills through anyone who says they care about climate change – especially negotiators at the UN climate talks here in Lima,” said Samantha Smith, who heads WWF’s climate and energy initiative.
  • (17) Facebook Twitter Pinterest Beyoncé’s last album was an iTunes exclusive, with videos for every track.
  • (18) Cameras have been set up by the zoo to track his movements and footpaths in the area closed by the county council.
  • (19) Comparison of these tracks and the Hadar hominid foot fossils by Tuttle has led him to conclude that Australopithecus afarensis did not make the Tanzanian prints and that a more derived form of hominid is therefore indicated at Laetoli.
  • (20) A lot is being expected of rookie cornerbacks Desmond Trufant and Robert Alford, but defensive co-ordinator Mike Nolan has a good track record of keeping his units competitive.

Trajectory


Definition:

  • (n.) The curve which a body describes in space, as a planet or comet in its orbit, or stone thrown upward obliquely in the air.

Example Sentences:

  • (1) However, the effects of such large-scale calvarial repositioning on subsequent brain mass growth trajectories and compensatory cranio-facial growth changes is unclear.
  • (2) Peak latencies from all recording sites clustered into two distinct groups--those that included N1 from 'TME,' peak 'I' of the 'A' record and trajectory amplitude peak 'a' of 3-CLT, and those that included the negative peak of '8-AP' and trajectory amplitude peak 'b' of 3-CLT, as well as peak 'II' of the 'A' record, when present.
  • (3) They have similar axon trajectories into the thoracic ganglia, where they invade functionally related neuropils.
  • (4) Six hypotheses to explain how divorce may affect the trajectory of child development were tested using standardized measures and sociodemographic data.
  • (5) Examples include growth trajectories, morphological shapes, and norms of reaction.
  • (6) After being opposed for so many years, the two most dominant institutions on the island are now on trajectories that draw them closer.
  • (7) In considering hardware, the optimum detector system for cone-beam tomography is a system that satisfies the data sufficiency condition for which the scanning trajectory intersects any plane passing through the reconstructed region of interest.
  • (8) 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.
  • (9) Virtual trajectory is considered a behavioral observable.
  • (10) Preoperatively, the CT characteristics of the proposed trajectory of the biopsy needle were determined and correlated intraoperatively with the impedance profile as obtained with a monopolar electrode.
  • (11) Thus, the trajectory of group I fibers was somatotopically organized both in the dorsal funiculus and in the gray matter.
  • (12) The paper presents a quantitative study of the trajectories of rat granulocytes (PMNs) migrating on a glass surface inclined at various angles, i.e.
  • (13) Although we found clear and consistent subject-specific differences, the most common pattern in oblique visually-guided (i.e., fast) saccades reflected early dominance of the horizontal velocity signal as expressed in saccade trajectories curving away from the horizontal axis.
  • (14) Reactive leukocytosis trajectory in these patients was compared to the analogous trajectory in 87 dogs with experimentally induced inflammation.
  • (15) The Saudis and other Gulf states still support rebel fighting formations – as much because of inertia and hostility to Iran as anything else – but western backing is on a downward trajectory as concerns mount about the risks of blowback from al-Qaida-linked groups.
  • (16) The [Ca2+]i-length relation defined by the common trajectory shifts appropriately in response to perturbations that have previously been demonstrated to alter the steady-state myofilament Ca2+ sensitivity in skinned cardiac fibres.
  • (17) No "flips" to the opposite puckering for this ring were found in the simulations starting from the global minimum, although such a transition was observed for a trajectory initiated with one of the higher local minimum energy conformations.
  • (18) They share a number of characteristic features: In both systems the columns have a tendency to form regularly spaced parallel bands whose main trajectory is perpendicular to the border between areas 17 and 18.
  • (19) In addition to animating trajectories, ADAPTU was written to permit diagram generation in two and three dimensions for a detailed analysis, the extraction and listing of properties of a selected conformation and the visualization of the development of constraints in a restrained dynamics.
  • (20) * The trajectories of moustaches and Movember are now crossing, in a year when facial hair became the aesthetic calling card of hipsters: “I don’t know about this whole hipster association,” explains Travis Garone, one of the original founders of Movember.