tera-

Definition

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).

Etymology

From Ancient Greek τέρας (téras, “monster”). Also from Ancient Greek τέτταρες (téttares, “four”), by analogy with tetra- for being the fourth power of 10³. Doublet of terato-.

Example Sentences

• "Near-synonym: T"
• "a 2-terawatt increase"
• "a 2-terabyte hard drive"