Dictionary

Wearing or grinding down by friction.

The gradual reduction in a tangible or intangible resource due to causes that are passive and do not involve productive use of the resource.

(human resources) A gradual, natural reduction in membership or personnel, as through retirement, resignation, or death.

The loss of participants during an experiment.

To grind or wear down through friction.

Example: attritioned teeth; attritioned rock

To reduce the number of (jobs or workers) by not hiring new employees to fill positions that become vacant (often with out).

Example: As a result of the new policy, people were being attritioned out.

To undergo a reduction in number.

Example: The cohort of one hundred students had attritioned to sixty by the end of secondary school.