Online Google Dictionary

attrition 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/əˈtriSHən/,
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The action or process of gradually reducing the strength or effectiveness of someone or something through sustained attack or pressure,
  1. The action or process of gradually reducing the strength or effectiveness of someone or something through sustained attack or pressure
    • - the council is trying to wear down the opposition by attrition
    • - the squadron suffered severe attrition of its bombers
  2. The gradual reduction of a workforce by employees' leaving and not being replaced rather than by their being laid off
    • - with so few retirements since March, the year's attrition was insignificant
  3. Wearing away by friction; abrasion
    • - the skull shows attrition of the edges of the teeth
  4. (in scholastic theology) Sorrow, but not contrition, for sin

  1. abrasion: erosion by friction
  2. grinding: the wearing down of rock particles by friction due to water or wind or ice
  3. sorrow for sin arising from fear of damnation
  4. a wearing down to weaken or destroy; "a war of attrition"
  5. the act of rubbing together; wearing something down by friction
  6. (attritional) relating to or caused by attrition
  7. Attrition are an electronic music band, formed in Coventry, England in 1980 by Martin Bowes and Julia Niblock. ...
  8. Attrition is the loss of teeth structure by mechanical forces from opposing teeth. Attrition initially affects the enamel and, if unchecked, may proceed to the underlying dentin. Once past the enamel, attrition quickly destroys the softer dentin. ...
  9. In science, attrition are ratios regarding the loss of participants during an experiment. Attrition rates are values that indicate participant drop out. Higher attrition rates are found in longitudinal studies.
  10. Attrition is a form of coastal or river erosion, when the bed load is eroded by itself. As rocks are transported downstream along a riverbed,the regular impacts between them cause them to be broken up into smaller fragments. This process also makes them rounder and smoother. ...
  11. Attrition is an information security-related website, updated at least weekly by an all-volunteer staff. Until 21 May 2001 , Attrition maintained the largest mirror of defaced (or cracked) websites available on the World Wide Web. The defacement mirror has since ceased updating.
  12. wearing or grinding down by friction; the gradual reduction in a tangible or intangible resource due to causes that are passive and do not involve productive use of the resource; A gradual, natural reduction in membership or personnel, as through retirement, resignation, or death; The loss of ...
  13. Wear of teeth due to activities such as chewing.
  14. The normal loss of tooth substance resulting from friction caused by physiologic forces.
  15. Loss of structure due to natural wear
  16. Reduction in a company’s customer population that happens as a result of normal turnover or because of some specific event — perhaps a good competitive offer or a failure on the part of the company. (Also known as churn)
  17. (JP 1-02, NATO) - The reduction in the effectiveness of a force caused by loss of personnel and materiel. See FMs 7-8, 7-20, 7-30, 71-123, and 100-5.
  18. the breakage and abrasion of resin beads.
  19. A reduction in response to a promotion or mail list due to repeated use.
  20. The process in which solids are worn down or ground down by friction, often between particles of the same material. Filter media and ion exchange materials are subject to attrition during backwashing, regeneration, and service.
  21. The wearing away of a substance, abrasion. (See Bruxism)
  22. Voluntary employment losses, such as retirements and resignations.
  23. The loss of participants from a sample being used in a study. Attrition may be due to participants dropping of the study out or losing contact with researchers.
  24. Refers to the loss of subjects before a research study has been completed. High study attrition rates can affect the reliability of results, even from studies utilizing high quality research designs.
  25. research participants who withdraw or are removed from a studyprior to its completion.