chi

chi ¹ also khi  (k, k)

n.

The 22nd letter of the Greek alphabet. See Table at alphabet.

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[Late Greek kh, from earlier khei.]

Thesaurus

Noun	1.	chi - the circulating life energy that in Chinese philosophy is thought to be inherent in all things; in traditional Chinese medicine the balance of negative and positive forms in the body is believed to be essential for good health ch'i, ki, qi Cathay, China, Communist China, mainland China, People's Republic of China, PRC, Red China - a communist nation that covers a vast territory in eastern Asia; the most populous country in the world vim, vitality, energy - a healthy capacity for vigorous activity; "jogging works off my excess energy"; "he seemed full of vim and vigor"
	2.	chi - the 22nd letter of the Greek alphabet khi Greek alphabet - the alphabet used by ancient Greeks alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"