Magic word (disambiguation)

Magic words are often nonsense phrases used in fantasy fiction or by stage magicians.

Magic word or Magic words may also refer to:

Computing

 * In MediaWiki, a system that makes make system information, such as the current time, available to templates and editors
 * Hexspeak, hexadecimal "words" used in byte code to identify a specific file or data format are known as magic numbers
 * Magic string, an input that a programmer believes will never come externally and which activates otherwise hidden functionality
 * Xyzzy (computing), the first magic word encountered in Colossal Cave Adventure and often used as a meta-syntactic variable

Other uses

 * Kotodama, the Japanese belief that mystical powers dwell in words and names, sometimes translated as "magic words" in English
 * Magical formula, words or formulae used in ceremonial magic
 * Magic words (baseball), words that will likely see a player ejected from the game if directed at an umpire
 * Magic words (politics), words or phrases as illustrative of speech that qualified as "express advocacy" in relation to United States politics
 * "Please" and "thank you", often referred to as the magic word or magic words when teaching children manners, see Etiquette