- a device for detecting electric oscillations or waves.
- a device, as a crystal detector or a vacuum tube, that rectifies the alternating current in a radio receiver.
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How to use detector in a sentence
After bouncing off tissue and blood, the particles of light return to detectors that measure oxygen levels.Can privacy coexist with technology that reads and changes brain activity?|Laura Sanders|February 11, 2021|Science News
To do that, you have to find your own way toward hope—there’s no better insincerity detector than a little kid.Our Fragile Optimism|Susanna Schrobsdorff|January 17, 2021|Time
The bollards and the metal detectors at every door didn’t stop them.All this security in D.C. to thwart terrorism, yet the threat came from within|Petula Dvorak|January 11, 2021|Washington Post
Terpenoid detectors might cue an octopus to quickly grasp something it touches before it swims away — or to let go and keep searching.Touching allows octopuses to pre-taste their food|Jonathan Lambert|January 4, 2021|Science News For Students
Sensed by the IceCube detector in Antarctica, the neutrino carried 200 trillion electron volts — about 30 times as much energy as that of a proton accelerated by the Large Hadron Collider.These science claims from 2020 could be big news if confirmed|Cassie Martin|December 23, 2020|Science News
The Enquirer story was written by Robin Mizrahi, who interviewed Ferrier and had arranged for her to take a lie detector test.How Bill Cosby Allegedly Silenced His Accusers Through A Tabloid Smear Campaign|Marlow Stern|November 21, 2014|DAILY BEAST
She agreed to meet with tabloid editors in New York City and take a lie detector test to back up her claims.I Warned You About Bill Cosby in 2007|Mark Ebner|November 20, 2014|DAILY BEAST
If you recall, Chase took a lie detector test and he passed.Family's Best Friend Charged With Murdering Them All|Nina Strochlic|November 7, 2014|DAILY BEAST
He bent the truth throughout his life to ensure that he was known as the man who had invented the lie detector test.Wonder Woman’s Creation Story Is Wilder Than You Could Ever Imagine|Tom Arnold-Forster|November 3, 2014|DAILY BEAST
She acts as a sort of lie detector, but proceeds through elegant narrative rather than binary test.Wonder Woman’s Creation Story Is Wilder Than You Could Ever Imagine|Tom Arnold-Forster|November 3, 2014|DAILY BEAST
Peering at the proximity detector, Cragley announced that we were quite safe from a collision.Spacewrecked on Venus|Neil R. Jones
Not even the Gerns had ever been able to devise a polarized detector screen.Space Prison|Tom Godwin
And, since the frequency was so high, a special detector was required to pick it up.
Then he looked at the distance recorded on the meteor detector.
Hollingwood, the metallurgist, appeared, dragging with him the detector.The Judas Valley|Gerald Vance