In a way that can be detected.

The (relative) effectiveness of a detector

Alternative form of detectability

plural of detectivity

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

(informal) The use of polygraphs during interrogation in an attempt to verify the truth or falsity of a subject's responses / (broadly) The use of any technique intended to detect deception.

(computing, chiefly video games) The process or mechanism of determining whether two shapes are partially occupying the same space.

plural of collision detection

Any agent hired by a private party for the purpose of investigation or evidence gathering.

Having failed to be detected; not detected