tera-

1.
a combining form used in the names of units of measure equal to one trillion of a given base unit:
terahertz.
2.
Computers. a combining form of like function with the value 2 40 (=1,099,511,627,766).
Abbreviation: T.
Origin
< Greek téras monster. See terato-
British Dictionary definitions for tera-

tera-

prefix
1.
denoting 1012: terameter
2.
Also tebi-. denoting 240: terabyte
T
Word Origin
from Greek teras monster
Word Origin and History for tera-

prefix used in forming large units of measure (e.g. terabyte), 1947, from Greek teras (genitive teratos) "marvel, monster."

tera- in Medicine

tera- pref.
One trillion (1012): terahertz.

tera- in Science
tera-  

  1. A prefix that means:

  2. One trillion (1012), as in terahertz, one trillion hertz.

  3. 240 (that is, 1,099,511,627,776), which is the power of two closest to a trillion, as in terabyte.


tera- in Technology


prefix