Chi

Chi may refer to:

Chinese

• Chi (length) (尺), a traditional Chinese unit of length ("Chinese foot"), approximately 1/3 of a meter
• Chi (mythology) (螭), a dragon in Chinese mythology
• Ch'i or qi (氣), "life force" in Chinese culture

Greek

• Chi (letter), the Greek letter (uppercase Χ, lowercase χ);

Japanese

• Chi (kana), a Japanese kana
• 地, Japanese character for Earth

other

• Chi River, Thailand
• Chi, a god in Igbo mythology

in science

• A probability distribution in mathematics:
  • Chi distribution
  • Chi-squared distribution
• Chi site, a DNA sequence that serves as a recombination hot spot
• Creatinine height ratio, a metric used in determining body composition
• A symbol for electronegativity

in fiction and popular culture

• Chi (magazine), an Italian magazine
• Chi (Chobits), a character in Chobits media
• Chi, a character in Chi's Sweet Home media
• "Chi", a song by Korn from Life Is Peachy
• Cationic Hydration Interlink (CHI), a beauty products company owned by Farouk Shami

CHI may stand for:

• Chile, the country.
• Carvill Hurricane Index, a measure of hurricane damage potential
• Catholic Health Initiatives, a faith-based, non-profit health system
• Channel Islands (Chapman code: CHI)
• Chichester, England, is known as Chi by local people in West Sussex
• Chingford railway station, railway station code
• Child Health International, a UK based charity for children's health (especially Cystic Fibrosis) in poor countries
• Columbia Helicopters, an American aircraft manufacturer
• Commission for Health Improvement, a former non-departmental public body of the Department of Health in the United Kingdom
• Computer-human interaction or human-computer interaction, the study of the interaction of computers and people
  • CHI (conference), an annual conference on computer-human interaction
• CHI, a secret society at Longwood University
• CHI, the IATA code for all Chicago airports
• CHI, the Amtrak code for Chicago Union Station
• Canada Health Infoway, a not-for-profit organization engaged in the development of a pan-Canadian electronic health record (EHR) system
• Community Health Index, a measure of the health of online communities
• Community Health Index (Scotland), a system of patient identification used in Scottish public healthcare
• Closed head injury