17-letter words containing h, e, i
- coin of the realm — legal tender.
- collegiate church — a church that has an endowed chapter of canons and prebendaries attached to it but that is not a cathedral
- colloid chemistry — the study of colloids.
- combine harvester — A combine harvester is a large machine which is used on farms to cut, sort, and clean grain.
- come to handgrips — to engage in hand-to-hand fighting
- committal hearing — (in British law) a preliminary inquiry by a magistrate to decide if there is enough evidence for a case to go to trial
- complexity theory — the study of complex systems, including subjects such as chaos theory and genetic algorithms
- comprehensibility — capable of being comprehended or understood; intelligible.
- comprehensiveness — of large scope; covering or involving much; inclusive: a comprehensive study of world affairs.
- computer graphics — the use of a computer to produce and manipulate pictorial images on a video screen, as in animation techniques or the production of audiovisual aids
- congestion charge — Congestion charges refer to money motorists must pay in order to drive in some city centres. Congestion charges are intended to reduce traffic within those areas.
- connecticut chest — a chest made in Connecticut in the late 17th and early 18th centuries, having three front panels of which the center panel has a conventional sunflower design in low relief and the end panels have tulip designs.
- connecting flight — a flight taken from an airport other than that from which the journey began, and which is taken in a different aeroplane from that used for the previous stage of the journey
- connection charge — a charge made as soon as a caller is connected to the number dialled and which is additional to any charges calculated based on the duration of the call
- conscript fathers — august legislators, esp Roman senators
- conspiracy theory — A conspiracy theory is a belief that a group of people are secretly trying to harm someone or achieve something. You usually use this term to suggest that you think this is unlikely.
- continental shelf — The continental shelf is the area which forms the edge of a continent, ending in a steep slope to the depths of the ocean.
- convection heater — A convection heater is a heater that heats a room by means of hot air.
- correspondentship — The role or status of correspondent.
- crampon technique — a climbing style that uses crampons
- creature of habit — If you say that someone is a creature of habit, you mean that they usually do the same thing at the same time each day, rather than doing new and different things.
- cromwellian chair — an upright oaken chair, often with arms, having all pieces turned and a seat and back panel of leather or cloth attached with brass-headed nails.
- cross the rubicon — If you say that someone has crossed the Rubicon, you mean that they have reached a point where they cannot change a decision or course of action.
- culpable homicide — manslaughter
- cushing's disease — a rare condition caused by excess corticosteroid hormones in the body, characterized chiefly by obesity of the trunk and face, high blood pressure, fatigue, and loss of calcium from the bones
- cyanogen chloride — a colorless, volatile, poisonous liquid, CNCl, used chiefly in the synthesis of compounds containing the cyano group.
- cyrillic alphabet — the alphabet derived from that of the Greeks, supposedly by Saint Cyril, for the writing of Slavonic languages: now used primarily for Russian, Bulgarian, and the Serbian dialect of Serbo-Croat
- cytoarchitectonic — Of or pertaining to cytoarchitectonics (cytoarchitecture).
- cytotechnologists — the study of human cells to detect signs of cancer or other abnormalities.
- dante (alighieri) — (born Durante Alighieri) 1265-1321; It. poet: wrote The Divine Comedy
- daphnis and chloe — two lovers in pastoral literature, esp in a prose idyll attributed to the Greek writer Longus
- de-baathification — the process of removing the members and influence of the Ba'ath Party from public office in Iraq following the US-led invasion of 2003
- dead in the water — If you say that someone or something is dead in the water, you are emphasizing that they have failed, and that there is little hope of them being successful in the future.
- deadly nightshade — a poisonous Eurasian solanaceous plant, Atropa belladonna, having dull purple bell-shaped flowers and small very poisonous black berries
- death certificate — A death certificate is an official certificate signed by a doctor which states the cause of a person's death.
- debt rescheduling — the process of changing the time frame or deadline for the repayment of debt, usually to ease the burden on the debtor
- deduction theorem — the property of many formal systems that the conditional derived from a valid argument by taking the conjunction of the premises as antecedent and the conclusion as consequent is true
- deepwater horizon — an offshore oil platform in the Gulf of Mexico, 40 miles (64km) south-east off the coast of Louisiana, that suffered a massive oil spill following an explosion in April 2010
- defence mechanism — A defence mechanism is a way of behaving or thinking which is not conscious or deliberate and is an automatic reaction to unpleasant experiences or feelings such as anxiety and fear.
- defense mechanism — A defense mechanism is a way of behaving or thinking which is not conscious or deliberate and is an automatic reaction to unpleasant experiences or feelings such as anxiety and fear.
- dehistoricization — The process or result of dehistoricizing.
- dehospitalization — hospitalization insurance.
- dehydrochlorinase — an enzyme that catalyzes the removal of hydrogen and chlorine atoms or ions from chlorinated hydrocarbons.
- dehydrochlorinate — to remove hydrogen chloride or chlorine and hydrogen from (a substance).
- deliver the goods — to produce or perform something promised or expected
- demythologization — The act of demythologizing, or something demythologized.
- dental technician — a person who constructs and repairs artificial teeth
- dephlogisticating — Present participle of dephlogisticate.
- dephosphorylation — the removal of a phosphate group from an organic compound, as in the changing of ATP to ADP.
- descending rhythm — a rhythmic pattern created by the succession of metrical feet each of which is composed of one accented syllable followed by one or more unaccented syllables.