16-letter words containing t, h, e, c, l, o
- the leonine city — a district of Rome on the right bank of the Tiber fortified by Pope Leo IV
- the long paddock — a stockroute or roadside area offering feed to sheep and cattle in dry times
- the open college — (in Britain) a college of art founded in 1987 for mature students studying foundation courses in arts and crafts by television programmes, written materials, and tutorials
- the two sicilies — a former kingdom of S Italy, consisting of the kingdoms of Sicily and Naples (1061–1860)
- the union school — a historic building located at 516-518 Bethlehem Pike in Fort Washington, Pennsylvania, in the United States. Built in 1773, the Union School was one of the earliest public schools in Pennsylvania, and the first that did not discriminate based on social position or religious preference
- the welsh office — (formerly) a department of the British government with responsibility for Welsh policies. It was replaced by the Wales office in 1999.
- thermal constant — a quantity that is considered invariable throughout a series of calculations relating to the heat of bodies
- thermionic valve — vacuum tube.
- thermoacidophile — any organism, especially a type of archaebacterium, that thrives in strongly acidic environments at high temperatures.
- thermoplasticity — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- thionyl chloride — a clear, pale yellow or red, fuming, corrosive liquid, SOCl 2 , used chiefly in organic synthesis.
- to call the tune — If you say that a person or organization is calling the tune, you mean that they are in a position of power or control in a particular situation.
- to change places — If you change places with another person, you start being in their situation or role, and they start being in yours.
- to clear the air — If you do something to clear the air, you do it in order to resolve any problems or disagreements that there might be.
- tollhouse cookie — a crisp cookie containing bits of chocolate and sometimes chopped nuts.
- topsail schooner — a sailing vessel fore-and-aft rigged on all of two or more masts with square sails above the foresail, and often with a square sail before the foresail.
- tracheobronchial — of, relating to, or affecting the trachea and bronchi.
- trichloromethane — chloroform (def 1).
- tricolored heron — an American heron, Hydranassa tricolor, that is dark bluish-gray above and white below with seasonally red neck stripes in the male.
- troop the colors — to parade the colors, or flag, before troops
- twofold purchase — a purchase using a double standing block and a double running block so as to give a mechanical advantage of four or five, neglecting friction, depending on whether the hauling is on the standing block or the running block.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- vestibule school — a school in an industrial establishment where new employees are given specific training in the jobs they are to perform.
- walrus moustache — a long thick moustache drooping at the ends
- white blood cell — any of various nearly colorless cells of the immune system that circulate mainly in the blood and lymph and participate in reactions to invading microorganisms or foreign particles, comprising the B cells, T cells, macrophages, monocytes, and granulocytes.
- whole-tone scale — a scale progressing entirely by whole tones, as C, D, E, F♯, G♯, A♯, C.
- zenith telescope — a telescope mounted to point only at the zenith, used at some observatories for measuring time by the stars.