File:Epsilon_uc_lc.svg · Wikimedia Commons · See Wikimedia Commons
Epsilon is the fifth letter of the Greek alphabet, representing a vowel sound and also standing for the number five in Greek numerals. It has served as the ancestor for the letter E in Roman, Cyrillic, and other alphabetic systems used today.
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In the Vinony graph
Within Vinony's link graph, Ε is referenced by 242 other articles, and connects out to letter case, Е/е and san.
It is catalogued under topics including Greek letters and Vowel letters.
Its subject is documented across 89 Wikipedia language editions.
Wikidata facts
- Part of
- archaic Greek alphabets
- Followed by
- digamma
- Follows
- delta
- Based on
- 𐤄
- Image
- Greek lc epsilon.svg
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- Commons category
- Epsilon (letter)
- Unicode character
- ϵ
- different from
- E
- Commons gallery
- Ε
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Article · 中文
Epsilon(大寫 Ε、小寫 ε 或 ϵ;希臘語:έψιλον;中文音译:伊普西龙、厄普西隆、艾普西龙、艾普塞朗),是第五個希臘字母。Epsilon(ἒ ψιλόν)即「e 簡單的、e 單一的」的意思,這是為了與中世紀發生單元音化而變為同音的二合字母 ai(αι,古希臘語:[ai̯])做區別,古典時期本來這個字母讀作ei(εἶ,古希臘語:[êː]);源自腓尼基字母 He,又从 epsilon 发展出了拉丁字母 E 和西里尔字母 Е。在希腊数字系统中,E 表示 5。 小寫的ε用於: * 數學: * 非常小 * 集合的關係中,表示「屬於」的「∈」符號 * 列維-齊維塔符號(符号Levi-Civita) * 電腦科學: * 空字符串 * 數值型態的精確度 * 物理學:一個導體的電容率 * 美式英語中使用的一個音標,即 bed 的 e 音。 拉丁字母的 E 是從 Epsilon 變來。
Abstract from DBpedia / Wikipedia · CC BY-SA
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