Theta
noun1
US, Colloquial A member of the Kappa Alpha Theta sorority.
theta
nounalso spelled ThetaUK /ˈθiːtə/ · CA, US /ˈθeɪtə/
Etymology Borrowed from Ancient Greek θῆτα (thêta).
1
The eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
2
Mathematics, Sciences The measure of an angle.
3
Aeronautics, Aerospace, Aviation, Business, Engineering, Natural sciences, Physical sciences Broadly Pitch angle; the angle between an aircraft's longitudinal axis and the horizontal plane.
5
Biology, Natural sciences 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:
6
Human sciences, Linguistics, Phonology, Sciences The voiceless dental fricative represented by θ.
- Derived terms
- antitheta, entheta, Ramanujan theta function, theta-delta, thetaform, theta function, theta graph, theta join, theta meditation, thetan, theta pinch, thetaprobe, theta rhythm, theta role, thetatron, theta wave
- Hypernyms
- Greeks