theta
UK/ˈθiːtə//ˈθeɪtə/
theta noun: the eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
Noun (1)
theta (plural thetas)
- The eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
- The measure of an angle.
- Pitch angle; the angle between an aircraft's longitudinal axis and the horizontal plane.
- Synonyms:
- deck angle
- The sensitivity of the value of a derivative with respect to time; the "time decay".
- Designating a level of brain activity as measured by electroencephalography having a frequency of between four and seven cycles per second (associated with drowsiness in adults).
- The reader is less likely to throw the book down in a fit of disgust than she is to be lulled into a theta state, a highway hypnosis induced by page after page of incantatory prose.2018 September 19, Meghan O'Gieblyn, “The Most Unread Book Ever Acclaimed”, in The Paris Review
- The voiceless dental fricative represented by θ.
Noun (2) capitalized: Theta
Theta (plural Thetas)
- A member of the Kappa Alpha Theta sorority.
theta meaning in Hindi, Tamil, Marathi and Urdu
theta in Hindi
- थीटा, थिटा
theta in Tamil
- தீட்டா
theta in Marathi
- Greek letter
- थीटा thīṭā, थेटा theṭā
theta in Urdu
- تھیٹا
More languagesFewer languages
- theta in Bengali
- থিটা, থিতা
- theta in Telugu
- తీటా, థీటా
- theta in Malayalam
- തീത
- theta in Kannada
- ಥೀಟಾ, ತೀಟಾ, ಥೆಟಾ
- theta in Punjabi
- ਥੀਟਾ, ਥਿਟਾ
- theta in Gujarati
- થીટા, થિટા
- theta in Odia
- ଥିଟା, ଥୀଟା
- theta in Nepali
- थिटा, थीटा
- theta in Tagalog
- teta
- theta in Arabic
- ثِيتَا ṯītā
- theta in Malay
- teta
Synonyms of theta
Forms of theta
| plural | thetas |
|---|---|
| plural | Thetas |
Origin of theta
Borrowed from Ancient Greek θῆτα (thêta).
Words formed from theta
Phrases with theta
Words that rhyme with theta
9 more rhymesFewer rhymes
Questions about theta
- What does theta mean?
- Theta means the eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
- What is theta in Hindi?
- Theta in Hindi is थीटा, थिटा. See Theta meaning in Hindi.
- What part of speech is theta?
- Theta is a noun.
- How do you pronounce theta?
- Theta is pronounced /ˈθiːtə/ (UK).
- What is the plural of theta?
- The plural of theta is thetas.
Words near theta in the dictionary
Source and license
Adapted from Wiktionary: theta (page history and authors); Theta (page history and authors); theta (Hindi, IndicTrans2 machine translation) (model and license); theta (Tamil Wiktionary) (page history and authors); theta (Urdu, IndicTrans2 machine translation) (model and license); theta (Bengali, IndicTrans2 machine translation) (model and license); theta (Telugu, IndicTrans2 machine translation) (model and license); theta (Malayalam, IndicTrans2 machine translation) (model and license); theta (Kannada, IndicTrans2 machine translation) (model and license); theta (Punjabi, IndicTrans2 machine translation) (model and license); theta (Gujarati, IndicTrans2 machine translation) (model and license); theta (Odia, IndicTrans2 machine translation) (model and license); theta (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-theta.ogg.
Cite this entry: “theta.” Word.ws, https://word.ws/theta. Based on Wiktionary, CC BY-SA 4.0.