The 22nd letter of the Greek alphabet. See Table at alphabet.
Origin: Late Greek khī, from earlier khei.
also ch'i or Qi or qi
The vital force believed in Taoism and other Chinese thought to be inherent in all things. The unimpeded circulation of chi and a balance of its negative and positive forms in the body are held to be essential to good health in traditional Chinese medicine.
Origin: Chinese (Mandarin) qì, air, spirit, energy of life.
(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.