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Xi (/ z aɪ / ZY or /(k) s aɪ / (K)SY; [1] [2] uppercase Ξ, lowercase ξ; Greek: ξι) is the fourteenth letter of the Greek alphabet, representing the voiceless consonant cluster. Its name is pronounced in Modern Greek. In the system of Greek numerals, it has a value of 60. Xi was derived from the Phoenician letter samekh.
Greek alphabet letters are used as math and science symbols.
Xi or Csi (uppercase Ξ, lowercase ξ) is the 14th letter of the Greek alphabet and it has the value 60 in the Greek number system. In both ancient and modern languages, the letter is...
Pronunciation – In English, xi is pronounced as "zai" or "k-sai". In Modern Greek it is pronounced as "ksee". Origins – Xi originated in the Phoenician letter samekh (𐤎), which represented a consonantal [s] sound. It was adopted into the early Greek alphabet to represent an [ks] sound.
The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. [3][4] It was derived from the earlier Phoenician alphabet, [5] and is the earliest known alphabetic script to have developed distinct letters for vowels as well as consonants. [6] .
Lower-case xi (ξεῖ), the 14th letter of the ancient Greek alphabet. It represented the consonant cluster /ks/. It is preceded by ν and followed by ο.
Xi (/ z aɪ / ZY or /(k) s aɪ / (K)SY; [1] [2] uppercase Ξ, lowercase ξ; Greek: ξι) is the fourteenth letter of the Greek alphabet, representing the voiceless consonant cluster [ks]. Its name is pronounced [ ksi ] in Modern Greek .