verb (used with object)
- to rectify alternating signal currents in a radio receiver.
- to demodulate.
Origin of detect
Examples from the Web for undetectable
It is a transformation that is undetectable to anyone not paying close attention.
Viral load can be reduced to undetectable levels, but it never goes away.
And if we are going to have to live with our past and current racism, then we must strive for undetectable levels of infection.
For example, the Army wants an undetectable aiming laser for small arms.
When the Undetectable Firearms Act passed in 1988, gun manufacturers had begun using lightweight polymer in handguns.The Deadly Plastic Gun Loophole the House Extension Leaves in Place|Eleanor Clift|December 4, 2013|DAILY BEAST
Some of these bit me and caused festering sores by their undetectable inoculation.Journeys and Experiences in Argentina, Paraguay, and Chile|Henry Stephens
It is undetectable and invisible--your detectors do not touch it and light-waves are bent around it without loss or distortion.Triplanetary|Edward Elmer Smith
It was a slip of mine, of course; but to me that one man in particular was invisible and undetectable.Gold Out of Celebes|Aylward Edward Dingle
Rak glanced at his companions again and apparently received some undetectable sign of consent.Legacy|James H Schmitz
In a news announcement released less than half an hour ago, they stated that their Navy has perfected an undetectable submarine!Tom Swift and the Electronic Hydrolung|Victor Appleton
British Dictionary definitions for undetectable
Word Origin for detect
Word Origin and History for undetectable
early 15c., from Latin detectus, past participle of detegere "uncover, expose," figuratively "discover, reveal, disclose," from de- "un-, off" (see de-) + tegere "to cover" (see stegosaurus). Related: Detected; detecting.