polygraph的词源

英文词源

polygraph (n.)

1794, "mechanical device for making multiple copies of something written or drawn," from Greek polygraphos "writing much," from polys "much" (see poly-) + graphos "writing," from graphein "to write" (see -graphy).

Meaning "instrument for recording several pulsations of the body at the same time" is 1871; first used as a lie detector 1921. Related: Polygraphy (1590s); polygraphic (1771).

中文词源

polygraph：测谎仪

poly-,多，复，聚，-graph,写，记录。通过人在回答不同问题时时血压，脉搏，呼吸等数值的变化比较来测试人是否撒谎的仪器，俗称lie detector.

该词的英语词源请访问找单词词源英文版：polygraph 词源，polygraph 含义。