Theta
Eighth letter of the Greek alphabet / From Wikipedia, the free encyclopedia
This article is about the Greek letter. For other uses, see Theta (disambiguation).
"θ" redirects here. For the letter used in IPA, see Voiceless dental fricative.
For similar symbols, see Ø (disambiguation).
Theta (UK: /ˈθiːtə/, US: /ˈθeɪtə/; uppercase Θ or ϴ; lowercase θ[note 1] or ϑ; Ancient Greek: θῆτα thē̂ta [tʰɛ̂ːta]; Modern: θήτα thī́ta [ˈθita]) is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth . In the system of Greek numerals, it has a value of 9.
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