16-letter words containing t, o, r, i
- transilluminator — to cause light to pass through.
- transition point — Physics. a temperature at which a substance undergoes some abrupt change in its properties, as when it passes from the normal to the superconducting state.
- transmethylation — the transfer of a methyl group from one compound to another.
- transnationalism — going beyond national boundaries or interests: a transnational economy.
- transpeptidation — the process of transferring an amino acid or group of amino acids from one compound to another.
- transport police — the national police force for railways in Britain, which protects rail operators, staff and passengers
- trap-door spider — any of several burrowing spiders, of the family Ctenizidae, that construct a tubular nest with a hinged lid.
- trapezoidal rule — a numerical method for evaluating the area between a curve and an axis by approximating the area with the areas of trapezoids.
- travelling clock — a small clock taken by someone who is travelling
- trial separation — an experimental period of living apart
- triboelectricity — electricity generated by friction.
- trichloromethane — chloroform (def 1).
- trichotillomania — a compulsion to pull out one's hair.
- trick photograph — a photograph that creates an illusion
- trick-or-treater — a person, typically a child, who goes from door to door in costume on Halloween asking for candy or other treats
- tricolored heron — an American heron, Hydranassa tricolor, that is dark bluish-gray above and white below with seasonally red neck stripes in the male.
- tridarn cupboard — a Welsh cupboard of the late 17th and 18th centuries, with an open, canopied upper section for display.
- triiodothyronine — Biochemistry. a thyroid hormone, C 15 H 12 I 3 NO 4 , similar to thyroxine but several times more potent.
- trim one's sails — an area of canvas or other fabric extended to the wind in such a way as to transmit the force of the wind to an assemblage of spars and rigging mounted firmly on a hull, raft, iceboat, etc., so as to drive it along.
- trinitroglycerin — nitroglycerin.
- triple-expansion — noting a power source, especially a steam engine, using the same fluid at three successive stages of expansion to do work in three or more cylinders.
- tropic of cancer — Geography. either of two corresponding parallels of latitude on the terrestrial globe, one (tropic of Cancer) about 23½° N, and the other (tropic of Capricorn) about 23½° S of the equator, being the boundaries of the Torrid Zone. the tropics, the regions lying between and near these parallels of latitude; the Torrid Zone and neighboring regions.
- tropical cyclone — a cyclone that originates over a tropical ocean area and can develop into the destructive storm known in the U.S. as a hurricane, in the western Pacific region as a typhoon, and elsewhere by other names. Compare extratropical cyclone, hurricane (def 1), willy-willy.
- trucking company — a company that transports goods by lorry
- turn upside down — invert
- twin-carburettor — (of an engine) having two carburettors
- two-percent milk — Two-percent milk is milk from which some of the cream has been removed.
- ultra filtration — Physical Chemistry. a filter for purifying sols, having a membrane with pores sufficiently small to prevent the passage of the suspended particles.
- ultramicroscopic — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- ultranationalism — extreme devotion to or advocacy of the interests of a nation, especially regardless of the effect on any other nations.
- ultranationalist — an advocate of ultranationalism.
- un-contradictory — asserting the contrary or opposite; contradicting; inconsistent; logically opposite: contradictory statements.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- uncollateralized — lacking or needing no collateral: uncollateralized loans.
- unconfirmability — to establish the truth, accuracy, validity, or genuineness of; corroborate; verify: This report confirms my suspicions.
- uncontradictable — to assert the contrary or opposite of; deny directly and categorically.
- unconversational — of, relating to, or characteristic of conversation: a conversational tone of voice.
- under-modulation — to reproduce (a sound or signal) at below the optimal output level in a recording or broadcasting system, causing it to be distorted.
- underconsumption — the act of consuming, as by use, decay, or destruction.
- undernourishment — If someone is suffering from undernourishment, they have poor health because they are not eating enough food or are eating the wrong kind of food.
- underutilization — to fail to utilize fully: to underutilize natural resources.
- undiscriminatory — characterized by or showing prejudicial treatment, especially as an indication of bias related to age, color, national origin, religion, sex, etc.: discriminatory practices in housing; a discriminatory tax.
- unenforceability — to put or keep in force; compel obedience to: to enforce a rule; Traffic laws will be strictly enforced.
- united provinces — (used with a singular or plural verb) former name of Uttar Pradesh.
- universalization — to make universal.
- unmarried mother — a woman who has a baby while she is not married
- unproportionally — having due proportion; corresponding.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- uranium trioxide — a radioactive orange powder, UO 3 , used in the manufacture of some ceramics.
- ureterolithotomy — incision of a ureter for removal of a calculus.