• Finnish: kuluminen, hiertyminen
• French: usure (f)
• Japanese: 磨耗 (mamō)
• Spanish: atrición

• French: départs volontaires (m)
• Japanese: 消耗 (shōmō)

Derived terms

• attrit
• attritional
• attritionary
• attritive
• attrition damage

Attrition may refer to: (No. of Employees Left x 100) / ((Opening Balance + New Joinee) / 100)

• Physical wear
• Loss of personnel by retirement
• Attrition (medicine, epidemiology), the loss of participants during an experiment
• Attrition (dental), the loss of tooth structure by mechanical forces from opposing teeth
• Attrition (weathering), the wearing away of rocks in the sea
• Imperfect contrition, also known as attrition, in Catholic theology
• Attrition warfare, the military strategy of wearing down the enemy by continual losses in personnel and material
• Customer attrition, a business term used to describe loss of clients or customers
• Language attrition, the loss of a first or second language or a portion of that language by either a community or an individual
• War of Attrition, a limited war fought between Egypt and Israel from 1968 to 1970

proper names:

• Attrition (website), a website related to information security
• War of attrition (game), a model of aggression in game theory, formulated by John Maynard Smith
• Attrition (band), an electronic music band

See also

• deterioration

abatement, ablation, abrasion, abrasive, absorption, apologies, assimilation, atomization, attenuation, ayenbite of inwit, beating, bitterness, blunting, brecciation, buffing, burning up, burnishing, chafe, chafing, comminution, consumption, contriteness, contrition, corrosion, crumbling, crushing, curtailment, cut, cutting, damping, deadening, debilitation, decrease, decrement, deliquescence, depletion, depreciation, derogation, detraction, detrition, devitalization, digestion, dilution, diminution, dip, disintegration, disparagement, dissipation, dissolution, drain, dressing, dulling, eating up, effemination, enervation, enfeeblement, erasure, erosion, evisceration, exhaustion, expending, expenditure, extenuation, extraction, fatigue, filing, finishing, fragmentation, fretting, galling, granulation, granulization, grating, grazing, grief, grinding, impairment, impoverishment, inanition, ingestion, languishment, lessening, levigation, limation, loss, mashing, mitigation, penance, penitently, polishing, pounding, powdering, rasping, reduction, regret, regretfulness, regrets, regretting, relaxation, remission, remorse, remorse of conscience, remorsefulness, repentance, repining, retraction, retrenchment, rubbing away, rue, ruth, sandblasting, sanding, scouring, scrape, scraping, scratch, scratching, scrub, scrubbing, scuff, shame, shamefacedness, shamefastness, shamefulness, shining, shortening, shredding, shrinkage, slackening, smashing, smoothing, softening, sorriness, sorrow, spending, squandering, thinning, trituration, truncation, using up, wastage, waste, wastefulness, wasting away, weakening, wear, wear and tear, wearing away, wearing down, wistfulness