Tera-

Tera is a unit prefix in the metric system denoting multiplication by 1012 or 1000000000000 (one trillion short scale; one billion long scale). It has the symbol T. Tera is derived from Greek word τέρας teras, meaning 'monster'. The unit prefix was confirmed for use in the International System of Units (SI) in 1960. Tera is a unit prefix in the metric system denoting multiplication by 1012 or 1000000000000 (one trillion short scale; one billion long scale). It has the symbol T. Tera is derived from Greek word τέρας teras, meaning 'monster'. The unit prefix was confirmed for use in the International System of Units (SI) in 1960.