20-letter words containing h, i, n, d, t

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.
matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
mechanical advantage — the ratio of output force to the input force applied to a mechanism.
meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
metric hundredweight — a unit of weight equivalent to 50 kilograms.
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.
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.
nineteenth amendment — an amendment to the U.S. Constitution, ratified in 1920, guaranteeing women the right to vote.
nondirective therapy — client-centered therapy.
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 richland hills — a town in N Texas.
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.
ode to a nightingale — a poem (1819) by Keats.
ode to the west wind — a poem (1820) by Shelley.
on the drawing board — in the planning stage
on the shady side of — beyond (a given age); older than
on the sunny side of — younger than (a specified age)
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.
paint the town (red) — to go on a boisterous spree; carouse
perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
phenyldiethanolamine — a white, crystalline, slightly water-soluble substance, C 1 0 H 1 5 NO 2 , used in the manufacture of dyes and in organic synthesis.
phosphorus pentoxide — a white, deliquescent, crystalline powder, P 2 O 5 , that, depending upon the amount of water it absorbs, forms orthophosphoric acid, metaphosphoric acid, or pyrophosphoric acid, produced by the burning of phosphorus in dry air: used in the preparation of phosphoric acids, as a drying and dehydrating agent, and in organic synthesis.
photoconductive cell — Electronics. a photocell whose resistance varies according to the intensity of light falling on it.
pleased with oneself — If someone seems very satisfied with something they have done, you can say that they are pleased with themselves, especially if you think they are more satisfied than they should be.
pride of the morning — light mist or precipitation observed at sea in the morning and regarded as indicating a fine day.
prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
proof of the pudding — the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.
prosthetic dentistry — prosthodontics.
public lending right — (in Britain) an act of Parliament that directs compensation to an author for the library loan of his or her book.
quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
queen elizabeth land — an area of British Antarctic Territory, situated south of Weddell Sea and between longitudes 20°W and 80°W, stretching from Filchner-Ronne Ice Shelf to the South Pole. Area: 437 000 sq km (169 000 sq miles)
rhineland-palatinate — a state in W Germany: formerly part of Rhine Province. 7655 sq. mi. (19,825 sq. km). Capital: Mainz.
ring-necked pheasant — a gallinaceous Asian bird, Phasianus colchicus, having a white band around its neck, introduced into Great Britain, North America, and the Hawaiian Islands.
roller-blind shutter — curtain shutter.
sarcastic fringehead — any fish of the genus Neoclinus, characterized by a row of fleshy processes on the head, as N. blanchardi (sarcastic fringehead) of California coastal waters.
schizoid personality — sb with identity disorder
schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
season ticket holder — a person who has a season ticket
short back and sides — If a man has a short back and sides, his hair is cut very short at the back and sides with slightly thicker, longer hair on the top of the head.
shoulder-length hair — hair that reaches a person's shoulders
silicon tetrahydride — silane (def 1).
sound-and-light show — a nighttime spectacle or performance, at which a building, historic site, etc., is illuminated and the historic significance is imparted to spectators by means of narration, sound effects, and music.
south orkney islands — an uninhabited group of islands in the S Atlantic, southeast of Cape Horn: formerly a dependency of the Falkland Islands; part of the British Antarctic Territory since 1962 (claims are suspended under the Antarctic Treaty). Area: 621 sq km (240 sq miles)
spherical coordinate — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
split the difference — the state or relation of being different; dissimilarity: There is a great difference between the two.
stallman, richard m. — Richard Stallman
suitland-silver hill — a city in central Maryland, near Washington, D.C.
synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
take into one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.

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