Frequency or rate of accidents.

Without incurring any harm; safely.

plural of industrial accident

plural of accident rate

(nuclear physics) An accidental uncontrolled self-sustaining nuclear fission chain reaction.

plural of criticality accident

(informal) To urinate or defecate somewhere other than a toilet. / Used other than figuratively or idiomatically: see have, accident.

(idiomatic) A thing or situation which is almost certain to eventually lead to an accident

An aviation accident where the damage to the aircraft is such that it must be written off, or in which the aircraft is totally destroyed.

plural of accident waiting to happen