theta

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noun the·ta \ˈthā-tə, chiefly British ˈthē-tə\

Definition of theta

  1. 1 :  the 8th letter of the Greek alphabet — see alphabet table

  2. 2 :  theta rhythm

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Origin and Etymology of theta

Middle English, from Latin, from Greek thēta, of Semitic origin; akin to Hebrew ṭēth teth

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