Online Google Dictionary

barrier 中文解釋 wordnet sense Collocation Usage Collins Definition
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barriers, plural;
  1. A fence or other obstacle that prevents movement or access

  2. A circumstance or obstacle that prevents communication or that keeps people or things apart
    • - a language barrier
  3. Something that prevents progress or success
    • - the cultural barriers to economic growth
  4. The starting gate of a racecourse

  5. A long narrow island lying parallel and close to the mainland, protecting the mainland from erosion and storms

  6. A gate at a parking lot that controls access by being raised or lowered

  1. a structure or object that impedes free movement
  2. any condition that makes it difficult to make progress or to achieve an objective; "intolerance is a barrier to understanding"
  3. anything serving to maintain separation by obstructing vision or access
  4. In parallel computing, a barrier is a type of synchronization method. A barrier for a group of threads or processes in the source code means any thread/process must stop at this point and cannot proceed until all other threads/processes reach this barrier.
  5. A barrier isolator, or simply an isolator, is a device that provides a physical barrier between a laboratory technician and a work process. ...
  6. Barrier is a maze arcade game using vector graphics released by Vectorbeam in 1979. In this very basic game, players move a small triangle around on the grid, while attempting to avoid the diamonds that are also moving around on the grid. ...
  7. The Barrier is a spectacular lava dam retaining the Garibaldi Lake system in southwestern British Columbia, Canada. It is over 300 m (1,000 ft) in thickness and about 2 km (1.2 mi) wide where it impounds the lake.
  8. The Barrier is a shield volcano located in Kenya. It is known to have last erupted in 1921.
  9. Barriers is a British children's television series made by Tyne Tees Television for ITV between 1981 and 1982.
  10. A structure that bars passage; An obstacle or impediment; A boundary or limit
  11. (Barriers) For a barrier to be effective it has to cut the line of sight between the noise source and the reception point; if it just cuts the line of sight a 5 dBA reduction might be expected, if it significantly cuts the line-of-sight then anything from 10 dBA, up to 20 dBA reduction can be ...
  12. (Barriers) (to access) anything (physical or mental) which prevents a candidate from taking up opportunities for training or assessment.
  13. (Barriers (combat over the)) Depicted occasionally in manuscript references, most of the 14th century examples seem to have taken place during a siege. The gateway to a castle is opened, after a wooden barricade, resembling a conventional wooden fence, has been set up around the opening. ...
  14. (Barriers) Conditions that prevent an ex-offender from successfully re-entering society after incarceration.
  15. (Barriers) Environmental, communication, attitudinal or organisational structures, policies, practices or beliefs which prevent disabled people from participating in or accessing activities and the ordinary life of society on an equal level with non-disabled people.
  16. (Barriers) In a deep geological repository, barriers are used as a passive means of protecting human beings and the environment. Artificial as well as natural (geological) barriers seal the caverns in which radioactive waste is stored, and form multiple barriers that isolate it from the biosphere.
  17. (Barriers) In diffusion studies, the term given to something that slows, stops, or transforms a diffusion event. See also, absolute barriers; permeable barriers.
  18. (Barriers) Obstacles in the way of progress, mutual understanding, negotiated settlements, etc.
  19. (Barriers) Obstacles that prevent people with disabilities from fully participating in society.
  20. (Barriers) Postures, gestures or inanimate objects that are placed in front of someone which are used to block off other people.  They are usually employed when someone is uncomfortable and wishes to control the space around them. ...
  21. (Barriers) Reasons that might keep a client from attending an assessment appointment or treatment sessions.
  22. (Barriers) Social and environmental processes preventing or disadvantaging access, participation and achievement of students with impairments in tertiary education.
  23. (Barriers) Starting gates used to keep horses in line before the start of a race. Each horse has a barrier randomly allocated in the barrier draw for the race.
  24. (Barriers) Structure, object or feature that prevents free movement, or reduces an ability or places a person at risk of injury. Any barrier could become a serious threat to home safety or independence. Removing barriers is a way to increase safety, and in some cases, makes independence possible.
  25. (Barriers) The blood vessels in the brain, testes and placenta have special anatomical features that inhibit passage of large molecules like proteins. ...