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21-letter words containing p, l, o, i

  • heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
  • help a person on with — to assist a person in the putting on of (clothes)
  • historic places trust — (in New Zealand) the statutory body concerned with the conservation of historic buildings, esp with ancient Māori sites
  • home improvement loan — a government loan for house improvements such as insulation, adding a bathroom, or urgent repairs
  • homolosine projection — an equal-area projection of the world, distorting ocean areas in order to minimize the distortion of the continents.
  • human papilloma virus — a species of virus that causes genital warts. Abbreviation: HPV.
  • humanistic psychology — an approach to psychology that emphasizes emotions and the better understanding of the self in terms of observation of oneself and one's relations with others
  • hyperbolic paraboloid — a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are hyperbolas, with its sections parallel to the other two coordinate planes being parabolas.
  • hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
  • hyperlipoproteinaemia — the condition of having an abnormally high level of lipoproteins in the blood
  • hypogammaglobulinemia — A type of immune disorder characterised by a reduction in all types of gamma globulins.
  • hysterosalpingography — (medicine) X-ray examination of the uterus and oviducts following injection of a radiopaque substance.
  • identical proposition — a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”.
  • immaculate conception — the dogma of the unique privilege by which the Virgin Mary was conceived in her mother's womb without the stain of original sin through the anticipated merits of Jesus Christ. Compare virgin birth (def 1).
  • immunoelectrophoresis — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
  • immunoelectrophoretic — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
  • imprecise probability — (probability)   A probability that is represented as an interval (as opposed to a single number) included in [0,1].
  • in (or out of) place — in (or out of) the customary, proper, or assigned place
  • in-complete dominance — the appearance in a heterozygote of a trait that is intermediate between either of the trait's homozygous phenotypes.
  • indo-australian plate — a major tectonic division of the earth's crust, comprising India and the Australian continent and adjacent suboceanic basins (the Tasman, South Australian, Mid-Indian, Cocos, and Australian basins); separated from the Eurasian Plate by the Java Trench, from the Pacific Plate by the Tonga-Kermadec Trench, and from the African Plate by a series of mid-ocean ridges (the Carlsberg, Mid-Indian, and Southeast Indian ridges).
  • induction loop system — a system enabling partially deaf people to hear dialogue and sound in theatres, cinemas, etc, consisting of a loop of wire placed round the perimeter of a designated area. This emits an electromagnetic signal which is picked up by a hearing aid
  • industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
  • infiltration capacity — the maximum rate at which a soil in a given condition will absorb water.
  • information appliance — (hardware)   (IA) A consumer device that performs only a few targeted tasks and is controlled by a simple touch-screen interface or push buttons on the device's enclosure.
  • input-output analysis — an analysis of production relationships between the industries of an economy involving a study of each industry's inputs and outputs, esp as used in social accounting
  • insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
  • intellectual property — Law. property that results from original creative thought, as patents, copyright material, and trademarks.
  • interpersonal therapy — a type of psychotherapy that focuses on conflicts in one's personal relationships.
  • isopropylideneacetone — mesityl oxide.
  • keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
  • lap and diagonal belt — A lap and diagonal belt is a strap attached to a seat in a vehicle that extends horizontally in front of the hips and diagonally from the outer shoulder across the chest. You fasten it across your body in order to prevent yourself being thrown out of the seat if there is a sudden movement or stop.
  • leaning tower of pisa — a round, marble campanile in Pisa, Italy, begun in 1174 and now 17 feet (5.2 meters) out of the perpendicular in its height of 179 feet (54 meters).
  • least common multiple — lowest common multiple.
  • let sleeping dogs lie — a domesticated canid, Canis familiaris, bred in many varieties.
  • like a pakapoo ticket — untidy; incomprehensible
  • limit-proportionality — elastic limit.
  • linear graph notation — (LGN) A linearised representation of TCOL trees.
  • linguistic philosophy — an approach to philosophical problems used especially by certain British and American philosophers, inspired by G. E. Moore, and marked by the elucidation of difficult and controversial concepts by resolving them into their elements.
  • link control protocol — (protocol)   A protocol used to automatically agree upon encapsulation format options, handle varying packet size limits, authenticate the identity of its peer on the link, determine when a link is functioning properly and when it is defunct, detect a looped-back link and other common misconfiguration errors, and terminate the link.
  • lordship of the isles — an overlordship of the Western Isles of Scotland and adjacent lands instituted in 1266 when Magnus of Norway ceded the Hebrides, the Isle of Man, and Kintyre to the King of Scotland, and claimed by the chiefs of Clan Dougall and later by those of Clan Donald. The title was forfeited to James IV in 1493 and is now held by the eldest son of the sovereign
  • macintosh common lisp — (language)   (MCL) Common Lisp for the Apple Macintosh. Guillaume Cartier, of the Mathematics Department at UQAM, Canada, has written some libraries.
  • magneto-optical drive — magneto-optical disk
  • magnetoplasmadynamics — magnetohydrodynamics.
  • maidenhair spleenwort — an evergreen fern, Asplenium trichomanes, abundant in woody areas of the North Temperate Zone, having thickly clustered fronds.
  • main-topsail schooner — a two-masted or three-masted schooner having square topsails on the foremast and mainmast: a jackass brig or jackass bark.
  • make a pig of oneself — If you say that someone is making a pig of themselves, you are criticizing them for eating a very large amount at one meal.
  • make a policy paid up — If you make a policy paid up, you stop making premium payments into a life policy but still leave the coverage in place.
  • make up for lost time — compensate for past inaction
  • mechanical suspension — the act of suspending.
  • metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
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