18-letter words containing t, u, l, i
- special prosecutor — (formerly) an independent counsel.
- spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- standoff insulator — a type of insulator that supports an electrical conductor at a distance from other elements or surfaces.
- status epilepticus — a condition in which repeated epileptic seizures occur without the patient gaining consciousness between them. If untreated for a prolonged period it can lead to long-term disability or death
- stirling's formula — a relation that approximates the value of n factorial (n!), expressed as .
- student councillor — a student who is a member of a council or body representing the interests of students at a school, university or college
- sub-classification — to arrange in subclasses.
- subatomic particle — physics:
- subordinate clause — a clause that modifies the principal clause or some part of it or that serves a noun function in the principal clause, as when she arrived in the sentence I was there when she arrived or that she has arrived in the sentence I doubt that she has arrived.
- sugarloaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
- super middleweight — a boxer weighing up to 168 pounds (75.6 kg), between middleweight and light heavyweight.
- supraorbital ridge — browridge.
- sutton-in-ashfield — a market town in N central England, in W Nottinghamshire. Pop: 41 951 (2001)
- teacher evaluation — the process of vetting teachers to maintain teaching standards
- technical knockout — the termination of a bout by the referee when it is the judgment of the attending physician, a boxer's seconds, or the referee that a boxer cannot continue fighting without sustaining severe or disabling injury. Abbreviation: TKO, T.K.O.
- tele-communication — Sometimes, telecommunication. (used with a singular verb) the transmission of information, as words, sounds, or images, usually over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.
- telecommunications — Sometimes, telecommunication. (used with a singular verb) the transmission of information, as words, sounds, or images, usually over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.
- temporal summation — the act or process of summing.
- the beautiful game — football
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the final solution — the code name used by the Nazis to refer to the plan of mass murder of the Jews
- the general public — the people in a society; people in general
- the hotel industry — the branch of the services industry which provides hotels
- the masurian lakes — a group of lakes in Masuria in NE Poland: scene of Russian defeats by the Germans (1914, 1915) during World War I
- the south atlantic — the part of the Atlantic Ocean that lies to the south of the equator
- the sun also rises — a novel (1926) by Ernest Hemingway.
- the-master-builder — a play (1892) by Ibsen.
- theodore gericault — (Jean Louis André) Théodore [zhahn lwee ahn-drey tey-aw-dawr] /ʒɑ̃ lwi ɑ̃ˈdreɪ teɪ ɔˈdɔr/ (Show IPA), 1791–1824, French painter.
- therese de lisieux — Saint (Marie Françoise Thérèse Martin"the Little Flower") 1873–97, French Carmelite nun.
- thermoluminescence — phosphorescence produced by the heating of a substance.
- thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
- to bite the bullet — If someone bites the bullet, they accept that they have to do something unpleasant but necessary.
- to close your mind — If you close your mind to something, you deliberately do not think about it or pay attention to it.
- to find fault with — If you find fault with something or someone, you look for mistakes and complain about them.
- to gird your loins — If you gird your loins, you prepare to do something difficult or dangerous.
- to play favourites — to display favouritism
- to spill your guts — if someone spills their guts, they tell you everything about something secret or private
- touch-in-goal line — either of the two touchlines at each end of the field between the goal line and the dead-ball line.
- tranquillizer dart — a dart filled with a tranquillizer that is shot from a gun in order to temporarily sedate an animal so that it may be handled safely
- tristan und isolde — a music drama (composed, 1857–59; première, 1865) by Richard Wagner.
- tristimulus values — three values that together are used to describe a colour and are the amounts of three reference colours that can be mixed to give the same visual sensation as the colour considered
- tufted loosestrife — a primulaceous plant Naumburgia thyrsiflora
- turbine ventilator — a ventilator, usually mounted on the roof of a building, deck of a ship, etc., having at its head a globular, vaned rotor that is rotated by the wind, conveying air through a duct to and from a chamber below.
- turn in on oneself — to withdraw or cause to withdraw from contact with others and become preoccupied with one's own problems
- ulcerative colitis — chronic ulceration in the large intestine, characterized by painful abdominal cramps and profuse diarrhea containing pus, blood, and mucus.
- ultrasonic testing — the scanning of material with an ultrasonic beam, during which reflections from faults in the material can be detected: a powerful nondestructive test method
- ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
- ultraviolet filter — a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph.
- unconstitutionally — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.