18-letter words containing r, o, l, e, t
- thermoluminescence — phosphorescence produced by the heating of a substance.
- thermonuclear bomb — hydrogen bomb.
- think the world of — the earth or globe, considered as a planet.
- thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
- three-body problem — the problem of calculating the motions of three bodies in space moving under the influence of only their mutual gravitational attraction.
- throw in the towel — an absorbent cloth or paper for wiping and drying something wet, as one for the hands, face, or body after washing or bathing.
- throw oneself into — to propel or cast in any way, especially to project or propel from the hand by a sudden forward motion or straightening of the arm and wrist: to throw a ball.
- to all appearances — apparently
- to bare one's soul — If you bare your soul, you tell someone your most secret thoughts and feelings.
- to clear the decks — If you clear the decks, you get ready to start something new by finishing any work that has to be done or getting rid of any problems that are in the way.
- to close your mind — If you close your mind to something, you deliberately do not think about it or pay attention to it.
- to cool your heels — If you are cooling your heels, someone is deliberately keeping you waiting, so that you get bored or impatient.
- to fall from grace — If someone falls from grace, they suddenly stop being successful or popular.
- to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
- to learn the ropes — If you are learning the ropes, you are learning how a particular task or job is done.
- to lose your nerve — If you lose your nerve, you suddenly panic and become too afraid to do something that you were about to do.
- to play favourites — to display favouritism
- to raise the alarm — If you raise the alarm or sound the alarm, you warn people of danger.
- to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- traditional weapon — a weapon having ceremonial tribal significance, such as an assegai or knobkerrie
- traffic controller — a person whose job is to control the flow of air traffic
- transcendental ego — (in Kantian epistemology) that part of the self that is the subject and never the object.
- transit theodolite — a theodolite having a telescope that can be transited.
- transition element — any element in any of the series of elements with atomic numbers 21–29, 39–47, 57–79, and 89–107, that in a given inner orbital has less than a full quota of electrons.
- translation agency — an organization that provide people to translate speech or writing into a different language
- treaty obligations — obligations or duties that must be carried out by a party as according to a treaty they have entered into
- triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
- trickle irrigation — drip irrigation.
- tristan und isolde — a music drama (composed, 1857–59; première, 1865) by Richard Wagner.
- trobriand islander — a native or inhabitant of the Trobriand Islands of Papua New Guinea
- 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
- turn on one's heel — to turn around abruptly
- two-colour process — (in early colour photography) a method of printing which uses superimposed red and green images
- ulcerative colitis — chronic ulceration in the large intestine, characterized by painful abdominal cramps and profuse diarrhea containing pus, blood, and mucus.
- ultralow frequency — an electromagnetic wave with a frequency between 300 and 3000 hertz. Abbreviation: ULF, ulf.
- 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
- ultrasound scanner — a device used to examine an internal bodily structure by the use of ultrasonic waves, esp for the diagnosis of abnormality in a fetus
- ultraviolet filter — a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph.
- unix international — (body) (UI) A consortium including Sun, AT&T and others formed to promote an open environment based on Unix System V, including the Open Look windowing system.
- upper palaeolithic — the latest of the three periods of the Palaeolithic, beginning about 40 000 bc and ending, in Europe, about 12 000 bc: characterized by the emergence of modern man, Homo sapiens
- upper partial tone — overtone (def 1).
- ur of the chaldees — the city where Abraham was born, sometimes identified with the Sumerian city of Ur. Gen. 11:28, 31; 15:7; Neh. 9:7.
- uriniferous tubule — a urine-bearing tubule in a nephron of a kidney.
- victor emmanuel ii — 1820–78, king of Sardinia 1849–78; first king of Italy 1861–78.
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- western alienation — a feeling of resentment by some inhabitants of western Canada against perceived favouritism by the national government towards the eastern provinces