| A | B |
| tele | far |
| telecommunication | communicating sounds, signals or pictures by wire or radio |
| telegraph | sending coded messages through a transmitter to a receiver |
| telephoto | a magnifying camera lens used to photograph distant objects |
| telescope | optical instrument that makes far away objects seem closer and larger |
| teletypewriter | a form of a telegraph wherein messages are automatically typed on the receiving end |
| terra | earth, ground |
| terrace | an open outdoor living area connected to a house |
| terrain | land |
| terrarium | a glass enclosure for small land animals or plants |
| terrestrial | having to do with earth or land |
| territory | any land controlled by a particular nation or ruler |