20-letter words containing a, h, i, t, o
- keep a tight rein on — to control carefully; limit
- kick over the traces — either of the two straps, ropes, or chains by which a carriage, wagon, or the like is drawn by a harnessed horse or other draft animal.
- kingston upon thames — a borough of Greater London, England.
- knight of the garter — a knight who belongs to the Order of the Garter
- knights hospitallers — a military religious order founded about the time of the first crusade (1096–99) among European crusaders. It took its name from a hospital and hostel in Jerusalem
- last of the mohicans — a historical novel (1826) by James Fenimore Cooper.
- lead with one's chin — to act so imprudently as to invite disaster
- life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
- light the touchpaper — to do something that will cause much anger or excitement
- linguistic geography — dialect geography.
- llywelyn ap iorwerth — called Llywelyn the Great. died 1240, prince of Gwynedd, N Wales (1194–1238), who extended his rule over most of Wales
- logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
- lump in one's throat — the passage from the mouth to the stomach or to the lungs, including the pharynx, esophagus, larynx, and trachea.
- lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
- madwoman of chaillot — a satirical comedy (1945) by Jean Giraudoux.
- magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
- make head (n)or tail — If you say that you cannot make head nor tail of something or you cannot make head or tail of it, you are emphasizing that you cannot understand it at all.
- make head or tail of — to attempt to understand (a problem, etc)
- make short shrift of — to dispose of quickly and unsympathetically
- mannitol hexanitrate — a colorless, crystalline, water-insoluble, explosive solid, C 6 H 8 N 6 O 1 8 , used as a fulminating agent in percussion caps and in the treatment of hypertension and coronary insufficiency.
- mean something to sb — If a name, word, or phrase means something to you, you have heard it before and you know what it refers to.
- membranous labyrinth — an intricate combination of paths or passages in which it is difficult to find one's way or to reach the exit. Synonyms: maze, network, web.
- meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
- mischaracterizations — Plural form of mischaracterization.
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
- neuropsychiatrically — In terms of neuropsychiatry.
- night storage heater — a heater or radiator that stores heat at night-time because electricity is cheaper
- no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
- nondirective therapy — client-centered therapy.
- north american plate — a major tectonic division of the earth's crust, comprising Greenland and the continent of North America and the suboceanic Labrador and North American Basins, and bounded on the east by the Mid-Atlantic Ridge, on the south by the Caribbean and South American Plates, and on the west by the San Andreas fault and Aleutian Trench.
- north atlantic drift — an ocean current flowing NE toward the British Isles, formed by the convergence of the Gulf Stream and the Labrador Current SE of Newfoundland.
- north canadian river — a river in NE New Mexico, E Texas, and E Oklahoma, flowing SE to the Canadian River. 760 miles (1223 km) long.
- north celestial pole — the point of intersection of the earth's extended axis and the northern half of the celestial sphere, lying about 1° from Polaris
- north richland hills — a town in N Texas.
- northern leaf blight — a disease of corn caused by the fungus Exsherohilum turcicum, characterized by elongate tan-gray elliptical spots with subsequent blighting and necrosis of leaves.
- northern white cedar — any of several chiefly coniferous trees valued for their wood, especially Chamaecyparis thyoides, of the eastern U.S., or Thuja occidentalis (northern white cedar) of northeastern North America.
- occupation franchise — the right of a tenant to vote in national and local elections
- occupational therapy — a form of therapy in which patients are encouraged to engage in vocational tasks or expressive activities, as art or dance, usually in a social setting.
- ode to a nightingale — a poem (1819) by Keats.
- off-the-job training — training which is carried out away from your normal place of work
- officer of the guard — an officer, acting under the officer of the day, who is responsible for the instruction, discipline, and performance of duty of the guard in a post, camp, or station. Abbreviation: OG, O.G.
- officer of the watch — the officer primarily responsible for the navigation of a ship, in the absence of the captain, during a certain watch.
- olfactory anesthesia — absence or loss of the sense of smell.
- on (or off) the air — that is (or is not) broadcasting or being broadcast
- on o's best behavior — If someone is on their best behavior, they are trying very hard to behave well.
- on that/this account — You can use on that account or on this account when you want to say that something happens for the reason you have just mentioned.
- on the drawing board — in the planning stage
- on the shady side of — beyond (a given age); older than
- one's heart's desire — If you say that someone or something is your heart's desire, you mean that you want that person or thing very much.
- one's spiritual home — Your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there.