(radio) A code used to express the quality of a radio signal being received, standing for Readability, Strength and (for nonvoice communication) Tone.

(computing) code that can never be reached during program execution because no part of the program calls it or branches to it.

(Canada, US, medicine) the condition on the occurrence of a patient death / (Canada, US, medicine) the condition on the occurrence of a security threat to medical facility infrastructure

(Canada, US, medicine) The condition on the occurrence of a neonatal medical emergency. / (Canada, US, medicine, more generally) The condition on the occurrence of a pediatric medical emergency.

(Canada, US, medicine) The condition of the occurrence of a medical emergency.

(Canada, US, medicine) The condition on the occurrence of a fire at the medical facility. / (Canada, US) An extrajudicial punishment. / (figuratively) A condition of immediate urgency.

(Canada, US, medicine) The condition of the occurrence of a hazmat situation at a medical facility.

(historical) A schedule of crimes and punishments in 19th-century England that introduced the death penalty for numerous offences.

(historical) The Motion Picture Production Code, a set of moral guidelines for motion pictures in the United States; it was in force from 1930 to 1968.

(computing) Alternative form of codebase