Meaning & Definition of word "Detector"
to
Detector
/dɪˈtɛktər/
noun:
- 1. A device or instrument that detects the presence, existence, or condition of something.
- Example: The smoke detector alerted us to the fire before it spread.
- 2. A device that can measure or sense physical phenomena, such as light, sound, or radiation.
- Example: The radiation detector signaled an increase in levels, indicating a potential hazard.
- 3. A person or thing that detects; a scout or investigator.
- Example: The private eye acted as a private detective, a human detector of truth.
- 4. An electronic circuit that converts a radio frequency signal into an audio or baseband signal.
- Example: The radio's detector is essential for tuning into the correct frequency.
Etymology
Derived from the Latin 'detectus', past participle of 'detegere', meaning 'to uncover, to reveal'.
Common Phrases and Expressions
lie detector:
A machine that measures physiological responses to determine if someone is being deceptive.
metal detector:
A device that detects the presence of metal, often used in security or treasure hunting.
smoke detector:
A device that senses smoke as an indicator of fire.
Related Words
sensor:
A device that detects changes in the environment and sends information to other electronics.
monitor:
A device that observes and checks the status or performance of something.
Slang Meanings of detector
Meaning: A person who is particularly good at uncovering secrets.
Example Sentence: He's such a detector when it comes to finding out gossip.
Meaning: A playful reference to a lie detector test.
Example Sentence: I gave him the 'detector treatment' when he tried to deny it.