theta

American  

[they-tuh, thee-] / ˈθeɪ tə, ˈθi- /

noun

1. the eighth letter of the Greek alphabet (Θ, θ).

2. the consonant sound represented by this letter.

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theta British  

/ ˈθiːtə /

noun

1. the eighth letter of the Greek alphabet (Θ, θ), a consonant, transliterated as th

2. the lower-case form of this letter used in phonetic transcription to represent the voiceless dental fricative th as in thick, both Compare edh

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Etymology

Origin of theta

1595–1605; < Greek thêta < Semitic See teth

Example Sentences

EEG analysis revealed that pairs of strangers exhibited greater intra-brain synchronization in the theta band, compared to acquainted pairs.

From Science Daily

PAC neurons fire in time with the brain's theta waves, which are associated with focus and control, as well as to gamma waves, which are linked to information processing.

From Science Daily

Optogenetic stimulation of cerebellar glia induced the emergence of the theta band, causing an early breakup of the fighting.

From Science Daily

Critically, she discovered that another polymerase, called polymerase delta, uses a buddy system with polymerase theta to assist it in this repair pathway.

From Science Daily

The five common brain-wave types, named alpha, beta, gamma, delta and theta depending on their oscillation rate, signify different states of the brain.

From Scientific American