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20-letter words containing h, i, a

  • 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.
  • mechanical advantage — the ratio of output force to the input force applied to a mechanism.
  • mechanical impedance — impedance (def 2).
  • mechanical-impedance — Electricity. the total opposition to alternating current by an electric circuit, equal to the square root of the sum of the squares of the resistance and reactance of the circuit and usually expressed in ohms. Symbol: Z.
  • 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.
  • multiple inheritance — (programming)   In object-oriented programming, the possibility that a class may have more than one direct superclass in the class hierarchy. The opposite is single inheritance.
  • 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.
  • neighbourhood warden — a person employed by a local authority to patrol residential areas and deal with antisocial behaviour
  • nephroangiosclerosis — (pathology) sclerosis of the renal arterioles.
  • netherlands antilles — a Netherlands overseas territory in the Caribbean Sea, N and NE of Venezuela; includes the islands of Aruba, Bonaire, Curaçao, Saba, and St. Eustatius, and the S part of St. Martin: considered an integral part of the Dutch realm. 366 sq. mi. (948 sq. km). Capital: Willemstad.
  • neurophysiologically — In terms of, or with regard to, neurophysiology.
  • neuropsychiatrically — In terms of neuropsychiatry.
  • neuropsychologically — In terms of or by means of neuropsychology.
  • night storage heater — a heater or radiator that stores heat at night-time because electricity is cheaper
  • nineteenth amendment — an amendment to the U.S. Constitution, ratified in 1920, guaranteeing women the right to vote.
  • 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.
  • orthognathic surgery — the surgical correction of deformities or malpositions of the jaw.
  • orthopaedic mattress — a specially firm mattress designed to help correct or ameliorate the discomfort of disorders of the spine and joints
  • orthophosphoric acid — a colorless, crystalline solid, H 3 PO 4 , the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent.
  • overenthusiastically — With excessive enthusiasm.
  • paint the town (red) — to go on a boisterous spree; carouse
  • pan-american highway — a road system proposed in the 1920s linking nations of the Western Hemisphere, extending from Alaska to Santiago, Chile, with some gaps remaining in Panama and Colombia. The section between Nuevo Laredo, Mexico and Panama City is known as the Inter-American Highway Total length about 16,000 miles (25,744 km).
  • para-dichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
  • pass the time of day — to exchange casual greetings (with an acquaintance)
  • patagonian toothfish — a large food fish, Dissostichus eleginoides, found in the cold deep waters of the southern Atlantic and Indian oceans
  • peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5
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