POLYGRAPH


Meaning of POLYGRAPH in English

-raf, -rȧf noun

Etymology: Greek polygraphos writing much, from poly- + -graphos (from graphein to write) — more at carve

1. : a voluminous or versatile writer

2. : an instrument for recording tracings of several different pulsations simultaneously (as of the pulse, blood pressure, and respiration) — compare pathometer

3. : lie detector — see keeler polygraph

4. : a cluster of two or more successive letters in cryptography

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.