theta
The eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θThe eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
» I belong to the Theta Chi fraternity.
DuosDragonPolyglot · Tatoeba · CC BY 2.0 FRMeaning
6 sensesThe eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
Theta
те́таtɛ́ta, фи́таfíta
те́таtéta
the 8th letter of the Greek alphabet
The measure of an angle.
(broadly)Pitch angle; the angle between an aircraft's longitudinal axis and the horizontal plane.
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 voiceless dental fricative represented by θ.
Examples
3 sentencesI belong to the Theta Chi fraternity.
Theta is the ninth letter of the Greek Alphabet.
Honor societies, fraternities and sororities use Greek letters such as Theta to name and differentiate each other.
Translations
8 languagesBy meaning 1
By meaning 1
By meaning 1
Origin
Borrowed from Ancient Greek θῆτα (thêta).Borrowed from Ancient Greek θῆτα (thêta).
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: thetasSynonyms
1 synonymsWord family
14 related wordsSee also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.