theta

(Tiếng Anh)

1. The eighth letter of the Modern Greek alphabet, ninth in Old Greek: Θ, θ.
2. The measure of an angle.
3. (broadly) 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".
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).
6. The voiceless dental fricative represented by θ.

Phát âm là (IPA)

/ˈθiːtə/

Từ nguyên (Tiếng Anh)

Borrowed from Ancient Greek θῆτα (thêta).

Từ đồng nghĩa

aunt

maternal aunt

tatee

naunt

Bản dịch

thêta

θήτα

Theta

teta

thèta

theta

ثيتا

teta

Base

Befühlte

خالة

θεία

Muhme

tante

tia