| tumor |
a mass of extra tissue that grows in or on the body. Some tumors are harmful. |
| tuna1 |
a large fish that lives in the ocean. Tuna are used for food. [2 definitions] |
| tundra |
one of the huge plains in the arctic regions of North America, Europe, and Asia. Trees do not grow on tundra. |
| tune |
a specific series of pleasing musical tones; melody. [5 definitions] |
| tune in |
to adjust to receive TV or radio signals from a certain station, or to select from a number of programs. |
| tune out |
(informal) to break away from or ignore. |
| tunic |
an article of clothing that is loose and hangs to the knees. Tunics sometimes do not have sleeves and are sometimes belted. The ancient Greeks and Romans wore tunics. [2 definitions] |
| tuning fork |
a small metal device that produces a tone in perfect pitch when it is struck against something. Tuning forks are often used to tune musical instruments or test hearing. |
| Tunisia |
a North African country on the Mediterranean Sea that lies between Algeria and Libya. The capital of Tunisia is Tunis. |
| tunnel |
an underground or underwater passage created so that people or vehicles can go through it. [4 definitions] |
| turban |
a man's head covering worn especially by Sikhs and some Muslims. A turban is a long piece of cloth that is wrapped several times around the head. Some Hindus also wear turbans. |
| turbine |
an engine driven by something that flows such as water, steam, or air. A turbine has blades or paddles that move around as the flowing water, steam, or air pushes against them. The blades or paddles are attached to a central part of the turbine called a rotor. The movement of the blades or paddles makes the rotor spin. The spinning of the rotor is used to create electricity. |
| turf |
the surface layer of the soil that is held together in a thick mat by grass and other plant roots. |
| Turkey |
a country in western Asia and southeastern Europe between the Mediterranean and Black Seas. Ankara is the capital of Turkey. |
| turkey |
a large North American bird with brownish feathers and a bare head with fleshy folds of skin hanging under the jaw. Turkeys are now raised in many parts of the world. [3 definitions] |
| Turkish |
of or having to do with Turkey, or its people or language. [2 definitions] |
| Turkmenistan |
a Central Asian country bordered on the west by the Caspian Sea and on the south by Iran and Afghanistan. The capital of Turkmenistan is Ashgabat. |
| turmoil |
a state of great confusion or anxiety; commotion. |
| turn |
to cause to move around a center point. [22 definitions] |
| turn down |
to lower the level of something, such as loudness, temperature, or power. [2 definitions] |
| turnip |
a plant that is safe to eat and that has a large white root and hairy leaves that are sometimes used as greens. [2 definitions] |