'Detection' definitions:

Definition of 'detection'

From: WordNet
noun
The perception that something has occurred or some state exists; "early detection can often lead to a cure" [syn: detection, sensing]
noun
The act of detecting something; catching sight of something [syn: detection, catching, espial, spying, spotting]
noun
The detection that a signal is being received [syn: signal detection, detection]
noun
A police investigation to determine the perpetrator; "detection is hard on the feet" [syn: detection, detecting, detective work, sleuthing]

Definition of 'Detection'

From: GCIDE
  • Detection \De*tec"tion\, n. [L. detectio an uncovering, revealing.] The act of detecting; the laying open what was concealed or hidden; discovery; as, the detection of a thief; the detection of fraud, forgery, or a plot. [1913 Webster]
  • Such secrets of guilt are never from detection. --D. Webster. [1913 Webster]

Synonyms of 'detection'

From: Moby Thesaurus