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Chi

File:Chi_uc_lc.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ14425· pop 89· linked from 636 articles

Also known as Χ, χ, chi (Greek), khi (Greek)

chữ cái thứ 22 trong bảng chữ cái Hy Lạp

AI overview

Chi (Χ/χ) is a letter from the ancient Greek alphabet that represents a hard "kh" sound, similar to the "ch" in the German word "Bach." It appears in English primarily through Greek-derived words and scientific terminology, and is also used as a symbol in mathematics and other fields.

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