- The definition of chi is the 22nd letter of the Greek alphabet.
An example of chi is the letter represented by χ.
Origin of chiClassical Greek
Origin of chiLate Greek khī, from earlier khei.
also ch'i or qi
Origin of chiMandarin qì, air, spirit, energy of life, from Middle Chinese khi`.
- (informal) Chihuahua.
- (law) Abbreviation of Chicago.
This is the customary abbreviation of this term as used in case citations. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Geographical Terms: U.S. state, cities, and territories", Table T10.1, p. 436.
chi - Computer Definition
(Computer Human Interface) Typically refers to the devices and associated applications used by humans to interact with computers. For example, a CICS data entry screen displayed on a 3270 terminal makes up a CHI for a banking application. Speech recognition systems are another example. See user interface.