18-letter words containing d, e, t, o, r

thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
thirty-second note — a note having 1/32 of the time value of a whole note; demi-semiquaver.
thirty-second rest — a rest equal in value to a thirty-second note.
three-body problem — the problem of calculating the motions of three bodies in space moving under the influence of only their mutual gravitational attraction.
three-cornered hat — a triangular shaped hat which was popular in the 17th and 18th centuries; its turned up brim formed a gutter for catching rain
to agree to differ — If two people who are arguing about something agree to disagree or agree to differ, they decide to stop arguing because neither of them is going to change their opinion.
to be above ground — to be alive
to be on the radar — to be noticed or important
to be said for sth — If you say there is a lot to be said for something, you mean you think it has a lot of good qualities or aspects.
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 cut the mustard — If someone does not cut the mustard, their work or their performance is not as good as it should be or as good as it is expected to be.
to get a bad press — If someone or something gets a bad press, they are criticized, especially in the newspapers, on television, or on radio. If they get a good press, they are praised.
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 speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
to sweep the board — If someone sweeps the board in a competition or election, they win nearly everything that it is possible to win.
traditional weapon — a weapon having ceremonial tribal significance, such as an assegai or knobkerrie
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.
transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
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
true to one's word — If you are true to your word or as good as your word, you do what you say you will do.
tufted loosestrife — a primulaceous plant Naumburgia thyrsiflora
turn one's hand to — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
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
under one's breath — the air inhaled and exhaled in respiration.
under the aegis of — guided or protected by
under the jackboot — If a country or group of people is under the jackboot, they are suffering because the government is cruel and undemocratic.
under-compensation — to compensate or pay less than is fair, customary, or expected.
under-depreciation — decrease in value due to wear and tear, decay, decline in price, etc.
under-registration — the act of registering.
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.
urban homesteading — homesteading (def 2).
vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
video entry system — a security system whereby a person in a building can see someone who wants to gain access by means of a video image
videotape recorder — a device for recording television programs on magnetic tape for delayed transmission or for storage.
wage determination — the process of setting wage rates or establishing wage structures in particular situations
wardrobe assistant — a person who assists the wardrobe mistress in a theatre
water of hydration — the portion of a hydrate that is represented as, or can be expelled as, water: now usually regarded as being in true molecular combination with the other atoms of the compound, and not existing in the compound as water.
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.
west-northwestward — moving, bearing, facing, or situated toward the west-northwest.
west-southwestward — moving, bearing, facing, or situated toward the west-southwest.
western meadowlark — any of several American songbirds of the genus Sturnella, of the family Icteridae, especially S. magna (eastern meadowlark) and S. neglecta (western meadowlark) having a brownish and black back and wings and a yellow breast, noted for their clear, tuneful song.
white-faced hornet — any large, stinging paper wasp of the family Vespidae, as Vespa crabro (giant hornet) introduced into the U.S. from Europe, or Vespula maculata (bald-faced hornet or white-faced hornet) of North America.
white-fronted tern — a coastal bird of New Zealand and SE Australia, Sterna striata, with a long black bill, a white breast, and a forked tail
woman of the world — a woman experienced and sophisticated in the ways and manners of the world, especially the world of society.
wood-burning stove — cooker: fueled by wood
work-study student — a student who is permitted to work while studying, and use the money earned to pay for their studies

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