ter·a·hertz 
(tĕrə-hûrts′)
(tĕrə-hûrts′)n. Abbr. THz
One trillion (1012) hertz.
- Stephens
- Stephen Samuel
- Stephenson
- Stephen William
- step in
- step-in
- stepladder
- stepmother
- step on it
- step on someone's toes
- step on toes
- step out
- stepparent
- stepparenting
- steppe
- stepped-up
- stepper
- stepping-off place
- steppingstone
- step rocket
- stepsibling
- stepsister
- stepson
- step stool
- step/tread on (someone's) toes