17-letter words containing a, n, d, r, o
- hoare powerdomain — powerdomain
- 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.
- hold sb to ransom — If you say that someone is holding you to ransom in British English, or holding you for ransom in American English, you mean that they are using their power to try to force you to do something which you do not want to do.
- holding operation — a plan or procedure devised to prolong the existing situation
- homeland security — national defence
- hot-and-sour soup — a spicy Chinese soup made with pork, chicken, beans, vinegar, etc., served hot
- hottentot's bread — elephant's-foot.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
- 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).
- hypochondriacally — In a hypochondriacal manner.
- hypophrygian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from B to B, with the final on E.
- i beg your pardon — You say 'Pardon?' or 'I beg your pardon?' or, in American English, 'Pardon me?' when you want someone to repeat what they have just said because you have not heard or understood it.
- icosidodecahedron — A semiregular polyhedron with twelve faces that are regular pentagons and twenty that are equilateral triangles.
- icositetrahedrons — Plural form of icositetrahedron.
- idiosyncratically — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- immediate version — child version
- in broad daylight — openly, in full public view
- in double harness — in a harness for two animals pulling the same carriage, plow, etc.
- 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.
- indian rope-trick — the supposed Indian feat of climbing an unsupported rope
- indicator diagram — a graphical or other representation of the cyclic variations of pressure and volume within the cylinder of a reciprocating engine obtained by using an indicator
- 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 action — job action.
- industrial school — a school for teaching one or more branches of industry; trade or vocational school.
- industrialisation — Alternative spelling of industrialization.
- industrialization — the large-scale introduction of manufacturing, advanced technical enterprises, and other productive economic activity into an area, society, country, etc.
- infantry division — a military division composed of infantry
- 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.
- 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 host — the host in which a parasite undergoes development but does not reach sexual maturity.
- internationalized — Simple past tense and past participle of internationalize.
- isherwood framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.
- it doesn't matter — You say 'it doesn't matter' to tell someone who is apologizing to you that you are not angry or upset, and that they should not worry.
- italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
- job advertisement — an announcement in a newspaper, on television, or on a poster about a post of employment
- juazeiro do norte — a city in Bahia state, NE Brazil.
- judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
- kastor and pollux — Castor and Pollux.