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tire2 a covering fitted around the rim of a wheel, esp. an inflated hollow ring of reinforced rubber.
tire chain one of a set of chains designed to fit over a vehicle's tires to increase traction on snow-covered or icy roads.
tired needing sleep or rest; fatigued; sleepy. [3 definitions]
tireless not easily wearied; having great energy or stamina.
tiresome causing weariness, impatience, or boredom. [2 definitions]
tiring causing a loss of strength or energy. [2 definitions]
tiro variant of tyro.
'tis contracted form of "it is".
Tishah b'Av the ninth day of the month of Av in the Jewish calendar, observed as a day of fasting and mourning in commemoration of the destruction of the temple in ancient Jerusalem.
Tishri the first month of the Jewish lunisolar calendar, occurring from mid-September through early October in the Gregorian calendar.
tissue the mass of like cells in an animal or plant body, esp. as they form a specific organ. [5 definitions]
tissue culture the technique or process of growing animal tissue in a prepared medium. [2 definitions]
tissue paper very thin, almost transparent paper used esp. as a wrapping.
tit1 any of various small European birds related to the chickadee. [2 definitions]
tit2 the teat of an animal. [2 definitions]
Titan in Greek mythology, any of a race of giant godlike beings descended from Uranus and Gaea, and eventually defeated and replaced by the Olympian gods. [3 definitions]
Titania in medieval English folklore and A Midsummer Night's Dream by William Shakespeare, the queen of the fairies and the wife of Oberon.
titanic having enormous size, strength, or power; colossal; huge. [4 definitions]
Titanism (sometimes l.c.) a spirit of revolt and rebellion against an established order or authority.
titanium a chemical element that has twenty-two protons in each nucleus and that occurs in pure form as a very hard, light, corrosion-resistant solid metal, used esp. in aircraft and missiles. (symbol: Ti)
titanium dioxide a powder used as a white pigment in paint and ceramic glaze and in white rubber, plastic, and the like.