| tuning fork |
a small two-pronged metal device that when struck produces a tone in perfect pitch, used to tune musical instruments, test hearing, and the like. |
| Tunis |
the seaport capital of Tunisia. [2 definitions] |
| Tunisia |
a North African country on the Mediterranean Sea east of Algeria. |
| tunnage |
tonnage. |
| tunnel |
an underground or underwater passageway, as for a railroad through a mountain or for a road under a river or city. [6 definitions] |
| tunnel disease |
see "aeroembolism." [2 definitions] |
| tunnel vision |
an abnormal condition in which one loses peripheral vision. [2 definitions] |
| tupelo |
any of several sour gum trees of swampy areas in the southern United States. [2 definitions] |
| Tupi |
a member of any of several Indian peoples resident in various river valleys of Brazil, esp. the Amazon. [2 definitions] |
| tuppence |
see "twopence." |
| tuque |
in Canada, a knitted winter cap resembling a stocking cap of double thickness. |
| turban |
a head covering worn esp. by Muslim men, consisting of a long piece of cloth wrapped several times around the head. [3 definitions] |
| turbellarian |
belonging to a class of mostly aquatic flatworms that have cilia on the surface of the body. [2 definitions] |
| turbid |
clouded or murky because of stirred-up particles or sediment; muddy. [3 definitions] |
| turbidimeter |
an instrument that measures the turbidity of a fluid by the degree of scattering of a light beam passed through it. |
| turbine |
an engine driven by a moving fluid, such as water, steam, or air, that pushes against the blades or paddles attached to a central shaft. |
| turbo |
see "turbocharger." |
| turbo- |
turbine. |
| turbocharge |
to improve the power or maintain air pressure in (an engine) by using a turbocharger. |
| turbocharger |
a device attached to an internal-combustion engine that uses the exhaust gases to power a turbine that drives a supercharger that supplies compressed air to the cylinders. |
| turbofan |
a turbojet engine in which a fan forces air diverted from the main engine directly into the hot turbine exhaust, adding to the total thrust. [3 definitions] |