Tau (; uppercase Τ, lowercase τ or ; ) is the nineteenth letter of the Greek alphabet, representing the voiceless dental or alveolar plosive . In the system of Greek numerals, it has a value of 300.
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Tau is the nineteenth letter of the Greek alphabet, used to represent a specific consonant sound (like the "t" in English). Beyond its role in writing Greek, tau also serves as the numeral 300 in the ancient Greek number system.
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Tau (; uppercase Τ, lowercase τ or ; ) is the nineteenth letter of the Greek alphabet, representing the voiceless dental or alveolar plosive . In the system of Greek numerals, it has a value of 300.
The name in English is pronounced or , and in Greek it is . This is because the pronunciation of the combination of Greek letters αυ can have the pronunciation of either , or , depending on what follows and if a diaeresis is present on the second vowel in Greek orthography.