cryptophone means A secure telephone that provides security against eavesdropping and electronic surveillance. Lexicurio rates it Sui generis — a strength score of 91 out of 100.
Etymology
From crypto- + phone.
noun
- A secure telephone that provides security against eavesdropping and electronic surveillance.“The bulky refrigerator-size boxes that scrambled the phone discussions of Roosevelt and Churchill are just steps from the hefty cryptophones of the 1970s and more modern versions.”