attrition
n//əˈtɹɪʃən//förslitning, nötning, avfall, bortfall, förlust, utmattning
Grinding down or wearing away by friction.
(dentistry) The wearing of teeth due to their grinding.
(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.
(linguistics) The loss of a first or second language or a portion of that language.
A gradual reduction in number.