E, or e, is the fifth letter and the second vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.

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e, fifth letter of the alphabet, derived from a Semitic consonant that represented a sound similar to the English h, Greek ε, and Latin E. The original Semitic character may have derived from an earlier …

E definition: the fifth letter of the English alphabet, a vowel. See examples of E used in a sentence.

e- in British English prefix electronic, indicating the involvement of the internet e-business

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E, e (i) n., pl. or E's, es e's. 1. the fifth letter of the English alphabet, a vowel. 2. any spoken sound represented by this letter.

In computers, the letter E is often used to start other words to mean "electronic", like in e-mail or e-commerce. In money, E is commonly used as a symbol for the euro when the symbol € is not available.