attrition


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Related to attrition: Attrition bias

attrition

 [ah-trĭ´shun]
the wearing away of a substance or structure (such as the teeth) in the course of normal use.

at·tri·tion

(ă-trish'ŭn),
1. Wearing away by friction or rubbing.
2. In dentistry, physiologic loss of tooth structure caused by the abrasive character of food or by bruxism. Compare: abrasion.
[L. at-tero, pp. -tritus, to rub against, rub away]

attrition

[ətrish′ən]
Etymology: L, atterere, to wear away
1 the process of wearing away or wearing down by friction.
2 the physiological wearing away of the teeth such as from normal mastication, grinding, bruxism, premature contacts, or abnormal tooth structures. See abrasion, abfraction, erosion.
3 individuals who withdraw or are dismissed from a study or program of study.

attrition

The dropping out of a participant in a trial or study.

at·tri·tion

(ă-trish'ŭn)
1. Wearing away by friction or rubbing.
2. In dentistry, physiologic loss of tooth structure caused by normal wear inherent in the aging process, as well as by the abrasive character of food or by bruxism.
Compare: abrasion
3. The loss of participants over the course of a study, which can create bias and threaten the internal validity of the study.
[L. at-tero, pp. -tritus, to rub against, rub away]

at·tri·tion

(ă-trish'ŭn)
1. In dentistry, physiologic loss of tooth structure caused by normal wear inherent in the aging process, as well as by the abrasive character of food or by bruxism.
2. Wearing away by friction or rubbing.
[L. at-tero, pp. -tritus, to rub against, rub away]

attrition (ətrish´ən),

n the normal loss of tooth substance resulting from friction caused by physiologic forces.
Enlarge picture
Attrition.

attrition

the physiological wearing away of a substance or structure in the course of normal use.

dental attrition
see dental attrition.
References in periodicals archive ?
Once nursing applicants are accepted into a nursing program, issues with attrition and the ability to retain students become the focus for graduating new registered nurses.
We address this attrition and are able to keep most examiner positions filled by maintaining a group of financial institution specialists (examiner trainees) ready to step up when needed," Barr said.
Therefore, even though they intuitively suspect they have an attrition problem, they're hesitant to implement a retention program.
Raghavendra observed that the cause of higher attrition is linked to most employees leaving jobs for higher education.
Attrition actually declined during the past two years.
War Of Attrition will be coming home to our farm in the next couple of weeks and the plan is to hunt him for probably the next two years.
In 1955 the Flying Training Air Force, a forerunner of AETC, conducted a study that compared attrition rates of 538 students who had received preflight training to those of 541 who had not.
Morris said: "War Of Attrition is sound again now thankfully and all being well he will take his chance at Aintree.
WAR OF ATTRITION ran out an easy winner from Kicking King as the former Cheltenham Gold Cup winners did battle at Punchestown yesterday.
CHELTENHAM Gold Cup heroes Kicking King and War Of Attrition are pencilled in for the Star 'Best For Racing Coverage' Chase at Punchestown next Thursday.