15-letter words containing a, r, o, l
- toilet training — child: process of learning to use toilet
- torsion balance — an instrument for measuring small forces, as electric attraction or repulsion, by determining the amount of torsion or twisting they cause in a slender wire or filament.
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- total serialism — (in some music after 1945) the use of serial techniques applied to such elements as rhythm, dynamics, and tone colour, as found in the early works of Stockhausen, Boulez, etc
- totalitarianism — the practices and principles of a totalitarian regime.
- totalitarianist — the practices and principles of a totalitarian regime.
- totalitarianize — to make totalitarian.
- tractor-trailer — a combination trucking unit consisting of a tractor hooked up to a full trailer or a semitrailer.
- traffic control — management of road use
- training school — a school that provides training in some art, profession, or vocation.
- transactionally — the act of transacting or the fact of being transacted.
- transequatorial — of, relating to, or near an equator, especially the equator of the earth.
- transfer lounge — the place in an airport where you wait for a transfer from one flight to another
- transform fault — a strike-slip fault that offsets a mid-ocean ridge in opposing directions on either side of an axis of seafloor spreading.
- transgressional — of or relating to transgression
- transhistorical — occurring throughout all human history
- translationally — in a manner which uses translation
- transliteration — to change (letters, words, etc.) into corresponding characters of another alphabet or language: to transliterate the Greek Χ as ch.
- transnationally — going beyond national boundaries or interests: a transnational economy.
- transplantation — to remove (a plant) from one place and plant it in another.
- traumatological — relating to traumatology
- travel brochure — a brochure, often from a travel agency, which advertises holidays, hotels, etc
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- traveller's joy — a ranunculaceous Old World climbing plant, Clematis vitalba, having white flowers and heads of feathery plumed fruits
- trial and error — experimentation or investigation in which various methods or means are tried and faulty ones eliminated in order to find the correct solution or to achieve the desired result or effect.
- tribromoethanol — a white, crystalline powder, C 2 H 3 Br 3 O, used as a basal anesthetic.
- trichloroacetic — as in trichloroacetic acid
- trichloroethane — a volatile nonflammable colourless liquid with low toxicity used for cleaning electrical apparatus and as a solvent; 1,2,3-trichloroethane. Formula: CH3CCl3
- trichomonacidal — relating to a trichomonacide
- tricolor camera — a camera for taking color photographs in which three separation negatives are exposed simultaneously by splitting the light from the subject with prisms and mirrors, and exposing through appropriate filters.
- trifluoperazine — a compound, C 21 H 24 F 3 N 3 S, used as an antipsychotic.
- trochlear nerve — either one of the fourth pair of cranial nerves, consisting of motor fibers that innervate the superior oblique muscle of the upper part of the eyeball.
- tropicalization — to make tropical, as in character or appearance.
- troubled waters — a confused or chaotic state of affairs: The situation was terrible, but like many politicians he was attracted by troubled waters.
- tuberculization — the process of becoming, or of causing people or animals to become, infected with tuberculosis
- tutorial system — a system of education, especially in some colleges, in which instruction is given personally by tutors, who also act as general advisers of a small group of students in their charge.
- tweet you later — (on the Twitter website) goodbye; see you later
- two-star petrol — leaded petrol that has a low octane number; inferior leaded petrol
- typographically — of or relating to typography.
- ultra-modernist — very advanced in ideas, design, or techniques.
- ultra-patriotic — of, like, suitable for, or characteristic of a patriot.
- ultra-religious — of, relating to, or concerned with religion: a religious holiday.
- ultracommercial — concerned with nothing but profit
- ultraconvenient — extremely convenient
- ultrademocratic — (in the US) characteristic of a staunch member or supporter of the Democratic Party and its agenda
- ultrafastidious — extremely fastidious
- ultrafiltration — Physical Chemistry. a filter for purifying sols, having a membrane with pores sufficiently small to prevent the passage of the suspended particles.
- ultramarathoner — a person who takes part in an ultramarathon
- ultramicrofiche — ultrafiche.
- ultramicrometer — a micrometer calibrated to a very fine scale and capable of measuring extremely small magnitudes.