Polygraph Meaning in English
word
परिभाषा
A polygraph is a machine that measures and records physical responses, like heart rate and sweating, used to try to tell if someone is telling the truth.
उपयोग और बारीकियां
'Polygraph' is mostly used in law enforcement and legal contexts. It's also called a 'lie detector,' but results aren't always accepted as evidence in court. 'Take a polygraph test' is a common phrase.
उदाहरण वाक्य
Many people call a polygraph a lie detector, but it isn't always reliable.
natural
The police used a polygraph during the investigation.
basic
He agreed to take a polygraph test.
basic
A polygraph measures changes in your body.
basic
He failed the polygraph, but insisted he was telling the truth.
natural
Sometimes, just knowing they'll face a polygraph makes suspects nervous enough to confess.
natural