Theta (, , uppercase Θ or ϴ; lowercase θ; cursive ϑ; thē̂ta ; Modern: thī́ta ) is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth 𐤈. In the system of Greek numerals, it has a value of 9.
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Theta (Θ/θ) is the eighth letter of the Greek alphabet, originally derived from the Phoenician letter Teth. In ancient Greek numerical systems, theta represented the number 9 and remains a foundational character in Greek writing and mathematics.
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15 sectionsContents
- Greek
- Forms
- Latin
- Cyrillic
- International Phonetic Alphabet
- Mathematics and science
- Lower case
- Upper case
- Symbolism
- Abbreviation
- Unicode
- See also
- Notes and references
- Notes
- References
Theta (, , uppercase Θ or ϴ; lowercase θ; cursive ϑ; thē̂ta ; Modern: thī́ta ) is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth 𐤈. In the system of Greek numerals, it has a value of 9.
==Greek== In Ancient Greek, θ originally represented the aspirated voiceless dental plosive , but it later became a voiceless dental fricative , which is the value it retains in Modern Greek.