attrition

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attrition

1. Geography the grinding down of rock particles by friction during transportation by water, wind, or ice
2. Theol sorrow for sin arising from fear of damnation, esp as contrasted with contrition, which arises purely from love of God

attrition

[ə′trish·ən]
(geology)
The act of wearing and smoothing of rock surfaces by the flow of water charged with sand and gravel, by the passage of sand drifts, or by the movement of glaciers.
(materials)
Wear caused by rubbing or friction. For metal surfaces, also known as scoring; scouring.
References in periodicals archive ?
Attrition is defined as the number of customers who discontinue a service or employees who leave a company during a specified time period divided by the average total number of customers or employees over that same time period.
Attrition is calculated as number of employees who left in the year / average employees in the year x 100.
UPT attrition according to type of pre-UPT training Outcome Status Number of Attritions (Rate per 1,000 students) Type of Total Training Flying and Student MED DOR Academic LOA Other UPT Starts 25-hour 4 33 29 13 0 630 IFS (6.
1) Seeking to minimize attrition from all causes, Air Education and Training Command (AETC) uses a variety of screening tools for selecting students.
Attrition through retirement will not be as great in the support personnel category but is compounded by high incidence turnover in specific geographical areas where staff are typically more difficult to recruit.