19-letter words containing h, a, y, c, o
- heavy goods vehicle — a large road vehicle for carrying goods
- heavy-water reactor — a nuclear reactor that uses heavy water as moderator
- heptachlorobiphenyl — (organic compound) Either of twenty-four isomers of the polychlorinated biphenyl containing seven chlorine atoms.
- histopathologically — In a histopathological manner.
- historiographically — In a historiographical manner; by means of a historiography.
- holy innocents' day — December 28, a day of religious observance commemorating the slaughter of the children of Bethlehem by Herod's order.
- humanist technology — (philosophy) Technology centered around the interests, needs, and well-being of humans.
- 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.
- 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.
- hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
- hypophosphoric acid — a tetrabasic acid, H 4 P 2 O 6 , produced by the slow oxidation of phosphorous in moist air.
- inorganic chemistry — the branch of chemistry dealing with inorganic compounds.
- jamaica honeysuckle — a climbing vine, Passiflora laurifolia, of tropical America, having red-spotted white flowers nearly 4 inches (10 cm) wide, with a white and violet-colored crown, and edible yellow fruit.
- leukoencephalopathy — (medicine) Any disease that effects the white matter of the brain.
- lipopolysaccharides — Plural form of lipopolysaccharide.
- magnetohydrodynamic — Of or pertaining to magnetohydrodynamics.
- maratha confederacy — a loose league of states in central and western India, c1750–1818.
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- mayor of the palace — one of a line of hereditary administrative lieutenants to the Merovingian kings who eventually took over royal function and title in the Frankish kingdoms; a palatine.
- molar heat capacity — the heat capacity of one mole of a substance.
- mucopolysaccharides — Plural form of mucopolysaccharide.
- munchausen syndrome — a factitious disorder in which otherwise healthy individuals seek to hospitalize themselves with feigned or self-induced pathology in order to receive surgical or other medical treatment.
- neuropathologically — In a neuropathologic way.
- neuropsychodynamics — The theoretical synthesis of neuroscience and psychodynamics.
- nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
- not by a long chalk — by no means; not possibly
- off-highway vehicle — An off-highway vehicle is a vehicle, such as one used for construction or agriculture, that is intended for use on steep or uneven ground.
- okeechobee waterway — a waterway in S Florida from the Atlantic Ocean to the Gulf of Mexico. 155 miles (244 km) long.
- on an empty stomach — If you do something on an empty stomach, you do it without having eaten.
- orthopaedic surgery — surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
- parasympathomimetic — having an effect similar to that produced when the parasympathetic nervous system is stimulated
- parathyroid extract — an aqueous preparation obtained from the parathyroid gland of cattle, used in medicine chiefly in cases of parathyroid deficiency and in veterinary medicine in the treatment of tetanic convulsions.
- parthenogenetically — development of an egg without fertilization.
- particle technology — Particle technology is knowledge and study which relates to particles, and is used in industry.
- phenylethyl alcohol — phenethyl alcohol.
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- photographic memory — total recall
- phthalocyanine blue — a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.
- political geography — the branch of human geography that deals with the relationship between political processes and spatial structures (regions, territories, etc)
- polyphosphoric acid — any one of a series of oxyacids of phosphorus with the general formula Hn+2PnO3n+1. The first member is pyrophosphoric acid (n = 2) and the series includes the highly polymeric metaphosphoric acid. The higher acids exist in an equilibrium mixture
- postsynchronization — the process of adding sound, such as dubbing, to a film or video after shooting or videotaping is completed
- pseudopsychological — of or relating to psychology.
- psychological novel — a novel that focuses on the complex mental and emotional lives of its characters and explores the various levels of mental activity.