This is the 10333rd most frequent Catalan word.
polígraf
A device used to record physiological responses, often as a lie detector.
Here, 'polígraf' refers to a lie detector machine used to assess the veracity of statements.
El polígraf va determinar que la resposta era veritat.
The polygraph determined that the answer was true.
In this sentence, 'polígraf' refers to a person skilled in producing written works on diverse topics.
El polígraf Isaac va publicar nombroses obres de literatura i ciència.
The polygraph Isaac published numerous works of literature and science.
Here, 'polígraf' denotes a manual or mechanical tool used historically in copying and printing text or images.