• WordNet 3.6
    • n detector any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
    • n detector electronic equipment that detects the presence of radio signals or radioactivity
    • n detector rectifier that extracts modulation from a radio carrier wave
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The lie detector was invented by John Augustus Larson in 1921.
    • Detector A galvanometer, usually portable, for indicating the direction of a current.
    • Detector An indicator showing the depth of the water in a boiler.
    • Detector Any of various devices for detecting the presence of electric waves.
    • n Detector One who, or that which, detects; a detecter. "A deathbed's detector of the heart."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The smoke detector was invented in 1969.
    • n detector One who or that which detects or brings to light; one who finds out what another attempts to conceal; a revealer; a discoverer.
    • n detector An instrument or a device for indicating the presence or state of a thing. Specifically— An arrangement of the parts of a lock by which any attempt to tamper with it is frustrated and indicated.
    • n detector Sometimes written detecter.
    • ***


  • Ernest Hemingway
    “The most essential gift for a good writer is a built-in, shock-proof, shit detector. This is the writer's radar and all great writers have had it.”


Webster's Revised Unabridged Dictionary
L., a revealer


In literature:

They thought it was some sort of tricky mental conditioning designed to frustrate their lie detectors.
"A Question of Courage" by Jesse Franklin Bone
There would be no chance for him to experiment with his Universal Detector.
"The Ocean Wireless Boys And The Naval Code" by John Henry Goldfrap, AKA Captain Wilbur Lawton
The only way we've been able to figure it was that his detectors were on the blink.
"Medal of Honor" by Dallas McCord Reynolds
Over the surface of the wall detector wires and charged cables looped and hung.
"Deathworld" by Harry Harrison
Detector in Chubb lock, 435.
"How it Works" by Archibald Williams
The Attison Detector was developed, a cross between radar and the electroencephalograph.
"The Hour of Battle" by Robert Sheckley
One of Mordock's metal detectors or one of similar design.
"Boy Scouts Handbook" by Boy Scouts of America
But first he connected up his detector and snapped the receivers against his ears, just to see what might be going on.
"The Destroyer" by Burton Egbert Stevenson
Only the meteor detector fluctuated from the presence of the little space ship outside.
"The Space Rover" by Edwin K. Sloat
But my detector was smashed now.
"Astounding Stories of Super-Science, October, 1930" by Various

In news:

Firefighters say smoke detector s saved the lives of a Mountain House woman and her teenage son Monday, Oct 22, while a fire the night before in rural Tracy left a man homeless when his mobile home was destroyed.
He urged anyone who needs a smoke detector to call the fire department.
While saving lives is obviously of top priority, Cooper said the early notification that the smoke detector provides also helps save property.
Tameshia Brice forgot to put new batteries in her smoke detector before visiting family in New York.
And it's very sad to look at the ceiling and know where there should be a smoke detector and not to find one.
Or to find the smoke detector with wires and no battery present.
Working smoke detector s likely saved a couple and their pets Thursday night when their dishwasher malfunctioned and started a fire.
A smoke detector was credited with warning a Vancouver family after part of their house caught fire this morning.
Cherry St were awakened when a smoke detector went off.
"The safety message is that a working smoke detector played a key part in this fire," Stromberg said.
Smoke detector saves 7 from house fire.
But also it's the time to check a much more important device in your home: your smoke detector .
As part of their smoke detector program, Gainesville Fire Rescue and Alachua County Fire Rescue will install a smoke detector in your home for free.
After years of education campaigns and the passage of mandatory detector laws in 44 states, 93 percent of US homes now have at least one smoke detector .
When I see a death in a residential building, I want to see if there was a working smoke detector , and in most cases there is not, Virginia's Altizer said.

In science:

Furthermore, the need to cool detectors to fundamental temperatures entails problems of response hysteresis and detector instabilities due to slow reaction of the electrons to the incoming signal.
High-Redshift Galaxies: The Far-Infrared and Sub-Millimeter View
What is really measured, however, is not the flux S but the detector’s response x = f (ϑ, ϕ)S , f (ϑ, ϕ) being the angular power pattern of the detector.
High-Redshift Galaxies: The Far-Infrared and Sub-Millimeter View
The AGD threshold is defined by the magnitude of the bulk leakage current and for a planar microstrip Ge detector of a 100 cm3 volume the threshold Eth ≃10 eV is expected . A prototype avalanche germanium strip detector of a 20 cm3 volume is manufactured now.
Status of the Experiment on the Laboratory Search for the Electron Antineutrino Magnetic Moment at the Level mu_nu < 3 s 10^{-12}mu_B
In general the detector D2 would need to be able to distinguish one from multiple photons, and such detectors are not readily available.
A simple gate for linear optics quantum computing
This is the rationalization of detector anti-correlations: the feature that for a single particle interacting with two detectors firing on mutually exclusive values of an observable, only one of the detectors can give a signal.
Quantum randomness emerging under gravitational nonlinearity