19-letter words containing t, h, i, r
- catherine the great — (Sophia Augusta of Anhalt-Zerbst"Catherine the Great") 1729–96, empress of Russia 1762–96.
- cathodic protection — a technique for protecting metal structures, such as steel ships and pipelines, from electrolytic corrosion by making the structure the cathode in a cell, either by applying an electromotive force directly or by putting it into contact with a more electropositive metal
- celestial hierarchy — hierarchy (def 6).
- cerebral thrombosis — formation of a clot or other blockage in one of the blood vessels of the brain, often followed by neurologic damage; a type of stroke.
- chain-reacting pile — nuclear reactor
- chamber of deputies — the lower house of the legislature of certain countries, as Italy.
- chandrasekhar limit — the upper limit to the mass of a white dwarf, equal to 1.44 solar masses. A star having a mass above this limit will continue to collapse to form a neutron star
- characteristic root — a scalar for which there exists a nonzero vector such that the scalar times the vector equals the value of the vector under a given linear transformation on a vector space.
- chartered librarian — (in Britain) a librarian who has obtained a qualification from the Library Association in addition to a degree or diploma in librarianship
- chassis dynamometer — A chassis dynamometer is a piece of test equipment fitted with rollers for the wheels of a vehicle, that is capable of providing drive input and measuring output such as power and torque at the wheels.
- chemical castration — the use of drugs to reduce libido
- chemical weathering — any of the various weathering processes that cause exposed rock to undergo chemical decomposition, changing the chemical and mineralogical composition of the rock: Oxygen and acids are agents in chemical weathering.
- chemolithoautotroph — (biology) A chemoautotroph or lithoautotroph.
- cherenkov radiation — the electromagnetic radiation produced when a charged particle moves through a medium at a greater velocity than the velocity of light in that medium
- chicken-fried steak — a cheap cut of beefsteak that is fried in batter
- chief petty officer — the senior naval rank for personnel without commissioned or warrant rank
- chinese finger trap — a child's toy, consisting of a small cylinder of woven straw or paper into which the forefingers are placed, one in each end: the harder one pulls, the more securely the fingers are held.
- chinese tallow tree — tallow tree.
- chloroplatinic acid — a red-brown, crystalline, water-soluble solid, H 2 PtCl 6 ⋅6H 2 O, used chiefly in platinizing glass, metals, and ceramic ware.
- chrestien de troyes — c1140–c90, French poet.
- christian democracy — the beliefs, principles, practices, or programme of a Christian Democratic party
- christian scientist — a believer in Christian Science; a member of the Church of Christ, Scientist.
- christian socialist — a member of any of certain European political parties advocating a form of social organization based on Christian and socialistic principles.
- christmas pantomime — pantomime (def 5).
- chromatographically — With regard to, or by by using chromatography.
- chromoblastomycosis — Long-term fungal infection of the skin and subcutaneous tissue.
- cinematographically — a motion-picture projector.
- cobaltous hydroxide — a rose-red, amorphous, water-insoluble powder, Co 2 O 3 ⋅3H 2 O, used chiefly in the preparation of cobalt salts and in the manufacture of paint and varnish driers.
- collective behavior — the spontaneous, unstructured, and temporary behavior of a group of people in response to the same event, situation, etc.
- columnar epithelium — epithelium consisting of one or more layers of elongated cells of cylindrical or prismatic shape.
- combination therapy — a therapy that combines two or more drugs, or two or more treatments
- come into the world — to be born
- commission merchant — a person who buys or sells goods for others on a commission basis
- computer peripheral — a device that is attached to and controlled by a computer, such as a scanner, printer, or external hard drive
- confectioner's shop — a sweet shop
- congestion charging — the practice of charging motorists for the right to drive on busy roads, esp at busy times
- contradistinguished — Simple past tense and past participle of contradistinguish.
- contradistinguishes — Third-person singular simple present indicative form of contradistinguish.
- convergent thinking — analytical, usually deductive, thinking in which ideas are examined for their logical validity or in which a set of rules is followed, e.g. in arithmetic
- coronary thrombosis — A coronary thrombosis is the same as a coronary.
- corporal punishment — Corporal punishment is the punishment of people by hitting them.
- counterpoint-rhythm — Music. the art of combining melodies.
- credit someone with — to believe that someone has or is responsible for; ascribe to someone
- crinoline stretcher — (on a Windsor chair) a stretcher having an inwardly curved piece connecting the front legs, and connected to the back legs by short, straight pieces.
- cultivated mushroom — an edible mushroom (Agaricus bisporus) with a pale cap and stalk: the most common food mushroom
- daisy-wheel printer — a type of printer that uses a daisywheel
- data driven machine — (language) (DDM) A dataflow language.
- de moivre's theorem — the theorem that a complex number raised to a given positive integral power is equal to the modulus of the number raised to the power and multiplied by the amplitude times the given power.
- department chairman — the chairman of a university department
- dielectric strength — the maximum voltage that can be applied to a given material without causing it to break down, usually expressed in volts or kilovolts per unit of thickness.