Definition of "tera-" in Englisch

prefix

1. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10¹² (short scale trillion or long scale billion).

   • Near-synonym: T
   • a 2-terawatt increase

2. (now deprecated, but still in common use) tebi- (2⁴⁰ = 1024⁴).

   • a 2-terabyte hard drive