Chi or X is often used to abbreviate the name Christ, as in the holiday Christmas (Xmas). When fused within a single typeface with the Greek letter rho, it is called the Chi Rho and used to represent the …

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CHI Health serves residents of Nebraska, southwest Iowa and northern Kansas.

6 days ago · Registration now for CHI 2026 in Barcelona! The conference runs from April 13 through April 17. Read about the new format and new options.

: vital energy that is held to animate the body internally and is of central importance in some Eastern systems of medical treatment (such as acupuncture) and of exercise or self-defense (such as tai chi)

Jul 8, 2025 · Chi (noun): A short form for "Chicago," commonly used in informal speech or writing. The word "chi" carries diverse meanings, spanning cultural, philosophical, linguistic, and geographical …

In mathematics, the Greek letter chi is used as a symbol for characteristic polynomial or characteristic function. This greek letter is also mentioned as a symbol in Plato's "Timaeus" and Thomas Browne's …

Chi (Χ, χ) is the 22nd letter of the Greek alphabet, used to represent the ch sound (as in Scottish loch or German Bauch) in Ancient and Modern Greek. In the system of Greek numerals, it has a value of 600.

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 …

Chi is the 22nd letter of the Greek alphabet, pronounced /ˈkaɪ/ or /ˈkiː/ in English. In Plato's Timaeus, it is explained that the two bands that form the soul of the world cross each other like the letter Χ.