noun#5,217 by frequency
theta
/ˈθiːtə/
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
- plural
- thetas
Meanings
- 1
The eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ
- 2
The measure of an angle
- 3
Pitch angle; the angle between an aircraft's longitudinal axis and the horizontal plane
- 4
The sensitivity of the value of a derivative with respect to time; the "time decay"rare
- 5
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)rare
- 6
The voiceless dental fricative represented by θrare