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/ˈpɒliɡɹæf/ · noun
A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being posed to a subject, in an attempt to detect deception..
It used to be just a plain office with a chair and some instruments on a table. Then they got the new, fancy polygraph system.
A polygraph consists of an unspecified number of adjacent letters. A polygraph need not be recognisable as a word in a language but if we are attempting to decipher a message which is expected to be in English and we find the heptagraph MEETING it is much more promising than if we find a heptagraph such as DKRPIGX.
The FBI polygraphed the suspect but learned nothing because they already knew he was lying.
Use polygraph when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Polygraph means A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being posed to a subject, in an attempt to detect deception..
Common synonyms include lie detector, manifold writer, autopen, multigraph.
The opposite depends on the specific sense.
It used to be just a plain office with a chair and some instruments on a table. Then they got the new, fancy polygraph system.
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