Chi (letter) for the design of steel structures. In graph theory, a lowercase chi is used to represent a graph's chromatic number. Chi (letter) Chi (uppercase Χ, lowercase χ; ) is the 22nd letter of the Greek alphabet, pronounced or in English. Its value in Ancient Greek was an aspirated velar stop (in the Western Greek alphabet: /ks/). In Koine Greek and later dialects it became a fricative (/) along with Θ and Φ. In Modern Greek, it has two distinct pronunciations: In front of high or front vowels ( or ) it is pronounced as a voiceless palatal fricative , as
History of the Greek alphabet of the same name, he would have lived at the time of Oedipus. The third tripod bears the inscription again in hexameter verse: . (""Laodamas, while he reigned, dedicated this cauldron to Apollo, the sure of aim, as a lovely offering""). Hyginus recounts the following legend about the introduction of Phoenician letters to Greece: Some ancient Greek scholars argued that the Greek alphabet should not be attributed to the Phoenician alphabet. Diodorus Siculus in his Historical Library, Book 5, suggests that the Phoenicians merely changed the form and shape of earlier letters: In his book On the malice of Herodotus,