19-letter words containing p, l, o, t
- hamiltonian problem — (computability) (Or "Hamilton's problem") A problem in graph theory posed by William Hamilton: given a graph, is there a path through the graph which visits each vertex precisely once (a "Hamiltonian path")? Is there a Hamiltonian path which ends up where it started (a "Hamiltonian cycle" or "Hamiltonian tour")? Hamilton's problem is NP-complete. It has numerous applications, sometimes completely unexpected, in computing.
- hang on the lips of — to listen to with close attention
- have a problem with — to be unable to understand or do
- health professional — a person trained to work in any field of physical or mental health.
- hepatic portal vein — a vein connecting two capillary networks in the liver
- 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.
- 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.
- histopathologically — In a histopathological manner.
- historiographically — In a historiographical manner; by means of a historiography.
- hospital facilities — the equipment and services provided by a hospital
- house of ill repute — a house of prostitution; whorehouse; brothel.
- housing development — a group of houses or apartments, usually of the same size and design, often erected on a tract of land by one builder and controlled by one management.
- hydroelectric power — electricity generated by water
- 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.
- hyperbolic geometry — the branch of non-Euclidean geometry that replaces the parallel postulate of Euclidean geometry with the postulate that two distinct lines may be drawn parallel to a given line through a point not on the given line.
- 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.
- hypocholesterolemic — (pathology) Of, pertaining to, or having hypocholesterolemia.
- hypolipoproteinemia — An abnormally low level of lipoprotein in the blood.
- hysterosalpingogram — An X-ray image taken during hysterosalpingography.
- impressionistically — In an impressionistic manner.
- in the second place — secondly
- incomplete abortion — a miscarriage in which some fetal or placental tissue remains in the uterus.
- incomplete fracture — a fracture extending partly across the bone.
- incomprehensibility — impossible to understand or comprehend; unintelligible.
- incremental plotter — a device that plots graphs on paper from computer-generated instructions
- inferiority complex — Psychiatry. intense feeling of inferiority, producing a personality characterized either by extreme reticence or, as a result of overcompensation, by extreme aggressiveness.
- inflationary spiral — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- insect pest control — the killing, reduction or elimination of insects which are pests, using insecticide, etc
- intangible property — intellectual property, rights ownership
- intercardinal point — any of the four points of the compass midway between the cardinal points; northeast, southeast, southwest, or northwest.
- international pitch — diapason normal pitch.
- isobutyl propionate — a colorless liquid, C 7 H 14 O 2 , used chiefly as a paint, varnish, and lacquer solvent.
- judicial separation — a decree of legal separation of spouses that does not dissolve the marriage bond.
- jump to conclusions — to come to a conclusion prematurely, without sufficient thought or on incomplete evidence
- jumping plant louse — any of numerous lice, of the family Psyllidae, that feed on plant juices and are sometimes pests of fruits and vegetables.
- kellogg-briand pact — a treaty renouncing war as an instrument of national policy and urging peaceful means for the settlement of international disputes, originally signed in 1928 by 15 nations, later joined by 49 others.
- kilobits per second — (unit) (kbps, kb/s) A unit of data rate where 1 kb/s = 1000 bits per second. This contrasts with units of storage where 1 Kb = 1024 bits (note upper case K).
- 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.
- knights hospitalers — a member of the religious and military order (Knights Hospitalers or Knights of St. John of Jerusalem) originating about the time of the first Crusade (1096–99) and taking its name from a hospital at Jerusalem.
- land of opportunity — Arkansas (used as a nickname).
- late-night shopping — later opening hours of shops than usual, esp as a regular occurrence on a particular night of the week
- leave the door open — a movable, usually solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves.
- leisure occupations — activities which you enjoy and which you perform in your free time