QI

noun

1. The twenty-second letter of the Classical and Modern Greek alphabets.

noun

1. A life force in traditional Chinese philosophy, culture, medicine, etc, related (but not limited) to breath and circulation.

noun

1. The Chinese foot, a traditional Chinese unit of length based on the human forearm.
2. (Mainland China) The Chinese unit of length standardized in 1984 as 1/3 of a meter.
3. (Taiwan) The Taiwanese unit of length standardized as 10/33 of a meter, identical to the Japanese shaku.