theta
English edit
← eta |
→ iota | |
Wikipedia article on theta |
Etymology edit
Borrowed from Ancient Greek θῆτα (thêta).
Pronunciation edit
- (UK) IPA(key): /ˈθiːtə/
- (US, Canada) IPA(key): /ˈθeɪtə/
Audio (US) (file) - (Hong Kong) IPA(key): /ˈθeɪ.ta/, [fei̯˥ tʰaː˩]
- Rhymes: (UK) -iːtə, (US, Canada) -eɪtə
Noun edit
theta (plural thetas)
- The eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
- (mathematics) The measure of an angle.
- (aviation, by extension) Pitch angle; the angle between an aircraft's longitudinal axis and the horizontal plane.
- (finance) The sensitivity of the value of a derivative with respect to time; the "time decay".
- (biology) 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).
- 2018 September 19, Meghan O'Gieblyn, “The Most Unread Book Ever Acclaimed”, in The Paris Review:
- 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.
- (phonology) The voiceless dental fricative represented by θ.
Hypernyms edit
- (measure of derivative price sensitivity): Greeks (includes list of coordinate terms)
Coordinate terms edit
(pitch angle of an aircraft):
Derived terms edit
Descendants edit
- → Malay: teta
Translations edit
Greek letter
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Catalan edit
Etymology edit
Borrowed from Ancient Greek θῆτα (thêta).
Pronunciation edit
Noun edit
theta f (plural thetes)
Further reading edit
- “theta” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
- “theta”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2024
- “theta” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
Czech edit
Alternative forms edit
Etymology edit
Borrowed from Ancient Greek θῆτα (thêta).
Pronunciation edit
Noun edit
theta n or f
- theta (Greek letter)
Declension edit
when feminine:
Indeclinable when neuter.
Italian edit
Etymology edit
From the Ancient Greek θῆτα (thêta).
Pronunciation edit
Noun edit
theta m or f (invariable)
- theta (Greek letter)
References edit
Pali edit
Alternative forms edit
Alternative forms
Adjective edit
theta
Polish edit
Etymology edit
Borrowed from Ancient Greek θῆτα (thêta), from Phoenician 𐤈 (ṭ /ṭēt/).
Pronunciation edit
Noun edit
theta f
- theta (Greek letter Θ, θ)
Declension edit
Declension of theta
Further reading edit
- theta in Polish dictionaries at PWN
Portuguese edit
Noun edit
theta f (plural thetas)
- Pre-reform spelling (until Brazil 1943/Portugal 1911) of teta.
Spanish edit
Etymology edit
Borrowed from Ancient Greek θῆτα (thêta).
Pronunciation edit
Noun edit
theta f (plural thetas)