17-letter words containing d, e, a, t, r
- head of the river — any of various annual rowing regattas held on particular rivers
- heart of darkness — a short novel (1902) by Joseph Conrad.
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- heritage industry — an industry that manages the historical sites, buildings, and museums in a particular place, with the aim of encouraging tourism
- hermaphrodite rig — jackass rig.
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- hit over the head — to strike on the head
- hold one's breath — If you say that someone is holding their breath, you mean that they are waiting anxiously or excitedly for something to happen.
- holding operation — a plan or procedure devised to prolong the existing situation
- homeland security — national defence
- hottentot's bread — elephant's-foot.
- hydroelectrically — Using hydroelectric power.
- hydrotherapeutics — hydrotherapy.
- hydrotherapy pool — a pool of water used for hydrotherapy
- hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- icositetrahedrons — Plural form of icositetrahedron.
- ideogrammatically — In terms of, or by means of, ideograms.
- immediate version — child version
- in (great) demand — If someone or something is in demand or in great demand, they are very popular and a lot of people want them.
- in the background — behind the focus of attention
- in/into disrepair — If something is in disrepair or is in a state of disrepair, it is broken or in bad condition.
- in/with regard to — You can use with regard to or in regard to to indicate the subject that is being talked or written about.
- inconsiderateness — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- incubation period — the period between infection and the appearance of signs of a disease.
- indecipherability — Quality of being indecipherable.
- indeterminateness — The quality of being indeterminate.
- indian restaurant — a restaurant that serves Indian food
- indian rope-trick — the supposed Indian feat of climbing an unsupported rope
- indian strawberry — a plant, Duchesnea indica, of the rose family, native to India, having yellow flowers and inedible fruit resembling strawberries.
- indicator species — See at indicator (def 6).
- indirect taxation — duty paid on goods or services
- induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
- industrial design — the art that deals with the design problems of manufactured objects, including problems of designing such objects with consideration for available materials and means of production, of designing packages, bottles, etc., for manufactured goods, and of graphic design for manufactured objects, packages, etc.
- industrial estate — industrial park.
- industrial unrest — business: among employees
- inertial guidance — a guidance system for an aerospace vehicle, in which self-contained devices determine the vehicle's course on the basis of the directions and magnitudes of the accelerations it undergoes in flight.
- integrated course — a course that covers several subjects
- integrated optics — an assembly of miniature optical elements of a size comparable to those used in electronic integrated circuits.
- integrated school — (in New Zealand) a private or church school that has joined the state school system
- interactive video — a computer-optical disk system that displays still or moving video images as determined by computer program and user needs
- intercommunicated — Simple past tense and past participle of intercommunicate.
- interdental brush — a small brush that is used to clean between the teeth
- interdepartmental — involving or existing between two or more departments: interdepartmental rivalry.
- interdisciplinary — combining or involving two or more academic disciplines or fields of study: The economics and history departments are offering an interdisciplinary seminar on Asia.
- interference drag — the drag on an aircraft caused by the interaction of two aerodynamic bodies.
- interior drainage — a drainage system whose waters do not continue to the ocean either on the surface or underground, but evaporate within the land area.
- intermediate card — a card used in the carding process to transfer sliver from the breaker card to the finisher card.
- intermediate care — an intermediate level of healthcare for chronically ill, disabled, or elderly people, especially in a facility for this purpose.