A subgenre of crime fiction which portrays the activities of a police force as they investigate crimes. Unlike in other types of crime fiction, the perpetrator may be known at the outset of the story.

(law) The legal process for adjudicating claims that someone has violated criminal law.

(law) A body of rules that regulate the administration of civil trials and appeals.

(medicine) A procedure in which one or more incisions are made into the body in order to repair damage or remove diseased tissue; an operation.

A procedure or set of procedures followed to ensure that state secrets, trade secrets, data, etc. are not compromised.

A formal procedure used by a deliberative assembly in its decision-making, to keep order.

pancreatojejunostomy

A surgical technique that converts a forearm stump into a pincer.

A facemask worn to catch droplets and aerosols, which contain bacteria and viruses. / A medical-grade mask worn during medical procedures.

A form of long-term subconscious memory for the performance of particular types of action.