A device that provides an alarm to inform its user(s) that lightning has occurred nearby. Specific devices are available for a variety of applications.

Any non-soap cleaning agent, especially a synthetic surfactant.

Synonym of cleansing.

The hobby of using a metal detector to hunt for buried coins or archaeological artifacts.

A hand-held device that uses electromagnetic induction to detect buried metal.

(law enforcement) A police officer who looks for evidence as part of solving a crime; an investigator. / A person employed to find information not otherwise available to the public.

Employed in detecting.

(transitive) To prevent something from happening. / (transitive) To persuade someone not to do something; to discourage. / (transitive) To distract someone from something.

An indicator showing the depth of the water in a boiler. / A galvanometer, usually portable, for indicating the direction of a current.

Alternative form of détente