19-letter words containing o, n, e, r
- have an ax to grind — an instrument with a bladed head on a handle or helve, used for hewing, cleaving, chopping, etc.
- health professional — a person trained to work in any field of physical or mental health.
- heart in your mouth — If your heart is in your mouth, you feel very excited, worried, or frightened.
- heel-and-toe racing — race walking.
- heine-borel theorem — the theorem that in a metric space every covering consisting of open sets that covers a closed and compact set has a finite collection of subsets that covers the given set.
- helsinki conference — Conference on Security and Cooperation in Europe.
- henry david thoreau — Henry David, 1817–62, U.S. naturalist and author.
- henry the navigator — Prince, 1394–1460, prince of Portugal.
- hepatic portal vein — a vein connecting two capillary networks in the liver
- heptachlorobiphenyl — (organic compound) Either of twenty-four isomers of the polychlorinated biphenyl containing seven chlorine atoms.
- hermitian conjugate — adjoint (def 2).
- hester lynch piozzi — Hester Lynch (Hester Lynch Piozzi) 1741–1821, Welsh writer and friend of Samuel Johnson.
- hexafluoroplatinate — (chemistry) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.
- hildegard of bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
- hold no terrors for — If something holds no terrors for you, you are not at all frightened or worried by it.
- honorable discharge — a discharge from military service of a person who has fulfilled obligations efficiently, honorably, and faithfully.
- horizontal encoding — (processor) An instruction set where each field (a bit or group of bits) in an instruction word controls some functional unit or gate directly, as opposed to vertical encoding where instruction fields are decoded (by hard-wired logic or microcode) to produce the control signals. Horizontal encoding allows all possible combinations of control signals (and therefore operations) to be expressed as instructions whereas vertical encoding uses a shorter instruction word but can only encode those combinations of operations built into the decoding logic. An instruction set may use a mixture of horizontal and vertical encoding within each instruction. Because an architecture using horizontal encoding typically requires more instruction word bits it is sometimes known as a very long instruction word (VLIW) architecture.
- horseshoe whipsnake — a long slender fast-moving nonvenomous snake, Coluber hippocrepis, of Eurasia
- house of correction — a place for the confinement and reform of persons convicted of minor offenses and not regarded as confirmed criminals.
- house of councilors — the upper house of the Japanese diet.
- 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
- hudson river school — a group of American painters of the mid-19th century whose works are characterized by a highly romantic treatment of landscape, especially along the Hudson River.
- 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.
- 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.
- hyper-nationalistic — a person devoted to nationalism.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- hyperbolic function — a function of an angle expressed as a relationship between the distances from a point on a hyperbola to the origin and to the coordinate axes, as hyperbolic sine or hyperbolic cosine: often expressed as combinations of exponential functions.
- 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.
- hyperresponsiveness — An abnormally increased responsiveness, especially that due to hypersensitivity or hyperreactivity.
- hypolipoproteinemia — An abnormally low level of lipoprotein in the blood.
- 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
- immersion objective — a microscope objective of high resolving power in which the space between the front lens and the cover glass is filled with an oil whose index of refraction is close to that of the objective and the cover glass.
- immigration officer — official administrating incoming foreigners
- immunocytochemistry — the detection of chemical components of cells by means of antibodies coupled to substances that can be made visible.
- 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 definite pronoun — a pronoun, as English some, any, somebody, that leaves unspecified the identity of its referent.
- in descending order — starting with the biggest, most important, highest etc and continuing in decreasing order to end with the smallest, least important, lowest, etc
- in one's right mind — sane
- in the person of sb — You can use in the person of when mentioning the name of someone you have just referred to in a more general or indirect way.
- 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.