theta

the·ta  (tht, th-)

n.

The eighth letter of the Greek alphabet. See Table at alphabet.

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[Greek thta, of Phoenician origin; akin to Hebrew êt, teth.]

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theta [ˈθiːtə]

n

1. (Linguistics / Letters of the Alphabet (Foreign)) the eighth letter of the Greek alphabet (Θ, θ), a consonant, transliterated as th

2. (Linguistics / Letters of the Alphabet (Foreign)) the lower-case form of this letter used in phonetic transcription to represent the voiceless dental fricative th as in thick, both Compare edh

[from Greek, of Semitic origin; compare Hebrew tēth]

Thesaurus

Noun

1.

theta - the 8th letter of the Greek alphabet Greek alphabet - the alphabet used by ancient Greeks alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"