De*tect"or (?), n. [L., a revealer.]
One who, or that which, detects; a detecter. Shak.
A deathbed's detector of the heart.
Young.
Bank-note detector, a publication containing a description of genuine and counterfeit bank notes, designed to enable persons to discriminate between them. --
Detector lock. See under Lock.
© Webster 1913
De*tect"or, n. Specifically:
(a)
An indicator showing the depth of the water in a boiler.
(b) (Elec.)
A galvanometer, usually portable, for indicating the direction of a current.
(c) (Elec.)
Any of various devices for detecting the presence of electric waves.
© Webster 1913