Definition of "attrition"
attrition
/əˈtɹɪʃən/
noun
countable and uncountable, plural attritions
(human resources) A gradual, natural reduction in membership or personnel, as through injury, incapacitation, retirement, resignation, or death.
(sciences) The loss of participants during an experiment.
(theology) Imperfect contrition or remorse.
verb
third-person singular simple present attritions, present participle attritioning, simple past and past participle attritioned