TERA- Meaning of TERA- in English [ 'tɛrə ]■ combining form1》 denoting a factor of 10 12 : terawatt.2》 Computing denoting a factor of 2 40 : terabyte. Originfrom Gk teras 'monster'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004