17-letter words containing r, i, s, n
- hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
- hammer and sickle — the emblem of the Soviet Union, adopted in 1923 and consisting of an insignia of a hammer with its handle across the blade of a sickle and a star above.
- handicap register — a list of the disabled people in its area that a local authority had a duty to compile under the Chronically Sick and Disabled Persons Act 1970
- harmonic analysis — the calculation of Fourier series and their generalization.
- haroun-al-raschid — Harun al-Rashid.
- have feelings for — to be emotionally or sexually attracted to
- have it in for sb — If someone has it in for you, they dislike you and try to cause problems for you.
- heartbreakingness — The state or quality of being heartbreaking.
- heating apparatus — an apparatus that heats something
- heritage industry — an industry that manages the historical sites, buildings, and museums in a particular place, with the aim of encouraging tourism
- high commissioner — a representative of one sovereign member of the Commonwealth of Nations in the country of another, having a rank and responsibilities generally similar to those of an ambassador.
- high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
- high-tensile wire — wire which can withstand great strain without breaking or becoming deformed
- highways engineer — a civil engineer trained and specialized in the planning, construction, maintenance, etc of highways and roads
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- home improvements — improvements to one's home, such as new kitchens and bathrooms, central heating etc
- homeland security — national defence
- homo floresiensis — a possible species of very small, primitive human: its fossils were discovered on the Indonesian island of Flores in 2003.
- hornblende schist — a variety of schist containing needles of hornblende that lie in parallel planes.
- hospital gangrene — Pathology. a contagious, often fatal gangrene, especially involving amputation stumps and war wounds, occurring usually in crowded, ill-kept hospitals, and caused by putrefactive bacteria.
- housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
- hungarian goulash — goulash (def 1).
- huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
- hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
- hydrogen sulphide — Chemistry
- hyperbolic cosine — one of a group of functions of an angle expressed as a relationship between the distances of a point on a hyperbola to the origin and to the coordinate axes; cosh
- hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
- hyperpolarisation — Alternative spelling of hyperpolarization.
- iberian peninsula — Also called Iberian Peninsula. a peninsula in SW Europe, comprising Spain and Portugal.
- ichthyosarcotoxin — a term applied to any poison found in the flesh of poisonous fishes.
- 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.
- illinois waterway — a waterway system in N Illinois made up of canals and rivers connecting Lake Michigan in Chicago with the Mississippi River. 336 miles (541 km) long.
- image intensifier — any of various devices for amplifying the intensity of an optical image, sometimes used in conjunction with an image converter
- immediate version — child version
- immigrant workers — people who work in a country they arrived to in order to settle there
- immunocompromised — having an impaired or compromised immune response; immunodeficient.
- immunofluorescent — Of, pertaining to, or using immunofluorescence.
- immunosuppressant — (pharmacology) Capable of immunosuppression, immunosuppressive.
- immunosuppression — the inhibition of the normal immune response because of disease, the administration of drugs, or surgery.
- immunosuppressive — capable of causing immunosuppression: immunosuppressive drugs.
- impersonalization — to make impersonal: The dial system impersonalized the telephone.
- impersonification — (archaic) the act of impersonating; impersonation.
- implosion therapy — a form of behavior therapy involving intensive recollection and review of anxiety-producing situations or events in a patient's life in an attempt to develop more appropriate responses to similar situations in the future.
- impracticableness — The state of being impracticable; impracticability.
- impressionability — easily impressed or influenced; susceptible: an impressionable youngster.
- improvisationally — In an improvisational way.
- in double figures — An amount or number that is in single figures is between zero and nine. An amount or number that is in double figures is between ten and ninety-nine. You can also say, for example, that an amount or number is in three figures when it is between one hundred and nine hundred and ninety-nine.
- in double harness — in a harness for two animals pulling the same carriage, plow, etc.