19-letter words containing a, p, o, y, l
- hepatoportal system — a vascular arrangement in vertebrates through which blood is transported into the liver from capillaries of the stomach, spleen, duodenum, pancreas, and intestines.
- 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.
- 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.
- hyperphosphorylated — Simple past tense and past participle of hyperphosphorylate.
- hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
- hypolipoproteinemia — An abnormally low level of lipoprotein in the blood.
- hypomixolydian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from D to D, with the final on G.
- hysterosalpingogram — An X-ray image taken during hysterosalpingography.
- impressionistically — In an impressionistic manner.
- inflationary spiral — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- intangible property — intellectual property, rights ownership
- isobutyl propionate — a colorless liquid, C 7 H 14 O 2 , used chiefly as a paint, varnish, and lacquer solvent.
- kirlian photography — a photographic process that supposedly records electrical discharges naturally emanating from living objects, producing an auralike glow surrounding the object on a photographic plate or film with which the object is in direct contact.
- land of opportunity — Arkansas (used as a nickname).
- leukoencephalopathy — (medicine) Any disease that effects the white matter of the brain.
- lipopolysaccharides — Plural form of lipopolysaccharide.
- longitudinal parity — (storage, communications) An extra byte (or word) appended to a block of data in order to reveal corruption of the data. Bit n of this byte indicates whether there was an even or odd number of "1" bits in bit position n of the bytes in the block. The parity byte is computed by XORing the data bytes in the block. Longitudinal parity allows single bit errors to be detected.
- lupus erythematosus — any of several autoimmune diseases, especially systemic lupus erythematosus, characterized by red, scaly skin patches.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lymphoproliferative — Characterized by lymphoproliferation.
- 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.
- mercury-vapour lamp — a lamp in which an electric discharge through a low pressure of mercury vapour is used to produce a greenish-blue light. It is used for street lighting and is also a source of ultraviolet radiation
- metropolitan county — (in England) any of the six conurbations established as administrative units in the new local government system in 1974; the metropolitan county councils were abolished in 1986
- military pentathlon — an athletic contest comprising five different events, a 300-meter freestyle swim, a 4000-meter cross-country run, a 5000-meter equestrian steeplechase, épée fencing, and pistol target-shooting at 25 meters, the winner being the contestant with the highest total score.
- molar heat capacity — the heat capacity of one mole of a substance.
- mucopolysaccharides — Plural form of mucopolysaccharide.
- mutual fund company — a company that sells and manages mutual funds
- neuropathologically — In a neuropathologic way.
- newcastle upon tyne — 1st Duke of, Pelham-Holles, Thomas.
- nine plus two array — the arrangement of microtubules in a flagellum or cilium, consisting of a ring of nine evenly spaced couplets surrounding two central singlets. Symbol: 9 + 2.
- nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
- outplacement agency — an agency that provides counselling and careers advice, esp to redundant executives, which is paid for by their previous employer
- overplay one's hand — If you say that someone is overplaying something such as a problem, you mean that they are making it seem more important than it really is.
- palomar observatory — an astronomical observatory situated on Palomar Mountain in S California, having a 200-inch (508-cm) reflecting telescope and a 48-inch (122-cm) Schmidt telescope.
- parthenogenetically — development of an egg without fertilization.
- particle technology — Particle technology is knowledge and study which relates to particles, and is used in industry.
- party-column ballot — Indiana ballot.
- peritoneal dialysis — a form of dialysis in which the peritoneum is used as an autogenous semipermeable membrane
- peroxysulfuric acid — persulfuric acid (def 1).
- perpetual inventory — a form of stock control in which running records are kept of all acquisitions and disposals
- personal stationery — headed notepaper
- phenylethyl alcohol — phenethyl alcohol.
- phenylpropanolamine — a substance, C 9 H 1 3 NO, related to ephedrine and amphetamine, available in various popular nonprescription diet aids as an appetite suppressant.
- 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.
- philippine mahogany — any of several Philippine trees of the genus Shorea and related genera, having brown or reddish wood used as lumber and in cabinetry.