Meaning of DETECTOR in English

DETECTOR

-ktə(r) noun

( -s )

Etymology: Late Latin, revealer, from Latin detectus + -or

: one that detects: as

a. : an arrangement in a lock designed to prevent forcing and to indicate any tampering

b. : an indicator showing the depth of the water in a boiler

c. : a device for indicating improper functioning or condition of a facility (as a railroad switch or signal) or to assure proper functioning

d. : a device for detecting the presence of electric waves or of radioactivity

e. radio

(1) : a device for determining the presence of a signal

(2) : a rectifier of high-frequency current (as a cat whisker and crystal or a vacuum tube)

(3) : a device for extracting the intelligence from a signal

(4) : demodulator 1

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.