释义 |
poly·graph \-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 |