A person employed by a privately owned establishment, such as a hotel or large retail store, with the job of preventing wrongdoing and apprehending violators of laws or other regulations.

The hypothesis that biological factors such as an organism's genes (as opposed to social or environmental factors) determine the majority of psychological and behavioural traits.

plural of detention centre

A facility in which people are detained (held in custody); a jail.

A specialized form of police dog; trained to use its sense of smell to detect and locate evidence of illicit substances, from illegal drugs to explosives materials, which may be carried on a person in their effects.

An early audio recording device used in wiretaps.

plural of detecter

Alternative form of detector

(linguistics) A phrase headed by a determiner.

A device used in security systems that can alert the user of the presence of a moving object.