1. the life force or energy that flows through the body according to Chinese philosophy
Usage: Chinese philosophy
2. the 22nd letter of the Greek alphabet (Χ, χ)
Usage: Greek alphabet

Examples

• She practices tai chi to balance her chi and improve her health.
• The acupuncturist explained how blocked chi can cause illness.
• Meditation helps restore the flow of chi through energy channels.
• The Greek letter chi is used in mathematics and science.
• Chi is written as Χ in uppercase and χ in lowercase.
• Many martial arts focus on cultivating and directing chi.