19-letter words containing a, o, r, i
- horizontal mobility — movement from one position to another within the same social level, as changing jobs without altering occupational status, or moving between social groups having the same social status.
- horsehair toadstool — a small basidiomycetous fungus, Marasmius androsaceus, having a rusty coloured cap and very slender black stems. It is related to the fairy ring mushroom, but is commonly found among conifers and heather
- horseshoe whipsnake — a long slender fast-moving nonvenomous snake, Coluber hippocrepis, of Eurasia
- household insurance — an arrangement in which you pay money to a company, and they pay money to you if your household goods are stolen or damaged
- human rights record — the facts that are known about the tendency of a country, regime, etc, to observe and protect human rights
- huntington's chorea — a hereditary disease of the central nervous system characterized by brain deterioration and loss of control over voluntary movements, the symptoms usually appearing in the fourth decade of life.
- hydrochlorothiazide — a crystalline, water-insoluble powder, C 7 H 8 ClN 3 O 4 S 2 , used as a diuretic and in the treatment of hypertension.
- hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
- hydrostatic balance — a balance for finding the weight of an object submerged in water in order to determine the upthrust on it and thus determine its relative density
- hydroxybenzoic acid — Hydroxybenzoic acid is the active ingredient in a number of drugs, for example, aspirin. Hydroxybenzoic acid is also used as a preservative.
- hydroxybutyric acid — ketone body.
- hydroxydaunorubicin — Doxorubicin.
- hyper-nationalistic — a person devoted to nationalism.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- hypercholesteraemia — (medicine) An abnormally high level of cholesterol in the blood.
- hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
- hyperparathyroidism — overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.
- hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
- hypolipoproteinemia — An abnormally low level of lipoprotein in the blood.
- hypophosphoric acid — a tetrabasic acid, H 4 P 2 O 6 , produced by the slow oxidation of phosphorous in moist air.
- hysterosalpingogram — An X-ray image taken during hysterosalpingography.
- idea of pure reason — any of the three undemonstrable entities (a personal soul, a cosmos, and a supreme being) implicit in the fact of a subject and an object of knowledge, and in the need for some principle uniting them.
- identification card — a card giving identifying data about a person, as full name, address, age, and color of hair and eyes, and often containing a photograph: for use as identification at a place of employment, school, club, etc.
- identification mark — barcode or serial number
- immigration control — a method or methods for regulating border laws and immigration
- immigration officer — official administrating incoming foreigners
- immunoprecipitation — the separation of an antigen from a solution by the formation of a large complex with its specific antibody.
- impressionistically — In an impressionistic manner.
- in commemoration of — in remembrance of
- in consideration of — the act of considering; careful thought; meditation; deliberation: I will give your project full consideration.
- in the tradition of — If you say that something or someone is in the tradition of a person or thing from the past, you mean that they have many features that remind you of that person or thing.
- incommensurableness — (rare) Incommensurability.
- incomplete abortion — a miscarriage in which some fetal or placental tissue remains in the uterus.
- incomplete fracture — a fracture extending partly across the bone.
- incremental plotter — a device that plots graphs on paper from computer-generated instructions
- indeterminate vowel — schwa.
- index expurgatorius — a list of books now included in the Index Librorum Prohibitorum, forbidden to be read except from expurgated editions.
- index of refraction — a number indicating the speed of light in a given medium as either the ratio of the speed of light in a vacuum to that in the given medium (absolute index of refraction) or the ratio of the speed of light in a specified medium to that in the given medium (relative index of refraction) Symbol: n.
- induction hardening — a process in which the outer surface of a metal component is rapidly heated by means of induced eddy currents. After rapid cooling the resulting phase transformations produce a hard wear-resistant skin
- inflationary spiral — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- informal settlement — a squatter camp
- information algebra — Theoretical formalism for DP, never resulted in a language. Language Structure Group of CODASYL, ca. 1962. Sammet 1969, 709.
- information content — the amount of information in something
- information highway — information superhighway
- information officer — someone whose job is to give information to people
- information science — the study of the nature, collection, and management of information and of its uses, especially involving computer storage and retrievals.
- information service — a service which provides information
- information warfare — the use of electronic communications and the internet to disrupt a country's telecommunications, power supply, transport system, etc
- inglenook fireplace — a large fireplace with a space on either side
- inorganic chemistry — the branch of chemistry dealing with inorganic compounds.