Enigma: Comes from a Greek word that means

Enigma comes from a Greek word that means " to speak in riddles ." It applies to things, as well as to people, that puzzle one's mind. Egypt's ancient pyramids and quantum mechanics, for example, might be described as enigmas, as well as physicist Stephen Hawking. Enigma definition: a puzzling or inexplicable occurrence or situation .. See examples of ENIGMA used in a sentence. Enigma is a noun that means something mysterious and hard to understand. Learn more about its usage, synonyms, and examples from the Cambridge Dictionary. Enigma Cipher Introduction § The Enigma cipher was a field cipher used by the Germans during World War II. The Enigma is one of the better known historical encryption machines, and it actually refers to a range of similar cipher machines. The first Enigma machine was invented by a German engineer named Arthur Scherbius at the end of the first world war. [1] It was used commercially from the early 1920s on, and was also adopted by the military and governmental services of a number of nations ...