theta

B2 Topic:Mathematics & Measurement

US /ˈθeɪtə/ UK /ˈθiːtə/ See IPA manual

Freq #11833

Meanings

1

noun
the measure of an angle.

It is directed along a line perpendicular to the plane of vibration at its center, and approaches infinity as the angle theta approaches the limit of Pi divided by two.

Thesaurus

Word family

Derived forms theta-deltathetan

Appears in

Phrases (1)

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theta rhythm
a relatively slow pattern of brainwave activity associated with states such as drowsiness

Noun + noun

Etymology

Borrowed from Ancient Greek θῆτα (thêta).

Topics

Mathematics & Measurement

External links

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