17-letter words containing e, l, p, h
- diphenylacetylene — tolan.
- diphenylhydantoin — a white, slightly water-soluble powder, C 15 H 11 N 2 O 2 , used in the form of its sodium salt to prevent or arrest convulsions in epilepsy.
- dipped headlights — road vehicle headlights which have been switched from the main to the lower beam
- displacement hull — a hull that displaces a significant volume of water when under way.
- down the plughole — If you say that something has gone down the plughole, you mean that it has failed or has been lost or wasted.
- drive up the wall — to cause to become crazy or furious
- drop on the floor — To react to an error condition by silently discarding messages or other valuable data. "The gateway ran out of memory, so it just started dropping packets on the floor." Also frequently used of faulty mail and netnews relay sites that lose messages. See also black hole, bit bucket.
- echoencephalogram — a graphic record produced by an echoencephalograph.
- ehelp corporation — (company) A vendor of Microsoft Windows application development tools such as RoboHELP and RoboDemo. EHelp were formerly (around 1997) Blue Sky Software. Address: 7777 Fay Avenue, Suite 201, La Jolla, CA 92037, USA. Telephone: +1-800-793-0364, +1 (619) 459 6365. Fax: +1 (619) 459 6366.
- electromyographic — Using electromyography.
- electrophysiology — The branch of physiology that deals with the electrical phenomena associated with nervous and other bodily activity.
- encephalomyelitic — Relating to encephalomyelitis.
- encephalomyelitis — Inflammation of the brain and spinal cord, typically due to acute viral infection.
- epithelialization — (biology) the process that covers a wound with epithelial tissue.
- ethnopharmacology — The scientific study correlating ethnic groups, their health, and how it relates to their physical habits and methodology in creating and using medicines.
- exception handler — Special code which is called when an exception occurs during the execution of a program. If the programmer does not provide a handler for a given exception, a built-in system exception handler will usually be called resulting in abortion of the program run and some kind of error indication being returned to the user. Examples of exception handler mechanisms are Unix's signal calls and Lisp's catch and throw.
- exceptional child — a gifted child
- fee-paying school — a school which charges fees to parents of pupils
- flight supplement — an additional charge payable on the price of an air ticket
- fourfold purchase — a tackle that is composed of a rope passed through two fourfold blocks in such a way as to provide mechanical power in the ratio of 1 to 5 or 1 to 4, depending on whether hauling is done on the running or the standing block and without considering friction. Compare tackle (def 2).
- french provincial — noting, pertaining to, or resembling a style of furnishings and decoration originating in the provinces of France in the 18th century, derived from but less ornate than styles then current in Paris and featuring simply carved wood furniture, often with decorative curved moldings.
- garden heliotrope — the common valerian, Valeriana officinalis, especially when cultivated as an ornamental.
- geographical mile — nautical mile.
- glymphatic system — Anatomy. the system or process by which cerebrospinal fluid moves through channels formed by glia, cleansing the mammalian brain of harmful waste.
- graphic equalizer — an equalizer in an audio system that is controlled by sliders that show graphically and correct the frequency response within the preset frequency range.
- guadalupe hidalgo — a city in the Federal District of Mexico: famous shrine; peace treaty 1848.
- haemoglobinopathy — (medicine) Any of a group of inherited disorders in which haemoglobin does not function properly.
- half-breadth plan — a diagrammatic plan of one half of the hull of a vessel divided lengthwise amidships, showing water lines, stations, diagonals, and bow and buttock lines.
- hardware platform — a group of compatible computers that can run the same software.
- health care proxy — a legal document in which a person can appoint someone to make decisions about medical treatment in the event that he or she is no longer mentally competent or able to communicate.
- helicopter parent — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- henry of portugal — ("the Navigator") 1394–1460, prince of Portugal: sponsor of geographic explorations.
- higgledy-piggledy — in a jumbled, confused, or disorderly manner; helter-skelter.
- hold one's end up — the last part or extremity, lengthwise, of anything that is longer than it is wide or broad: the end of a street; the end of a rope.
- holding operation — a plan or procedure devised to prolong the existing situation
- holy roman empire — a Germanic empire located chiefly in central Europe that began with the coronation of Charlemagne as Roman emperor in a.d. 800 (or, according to some historians, with the coronation of Otto the Great, king of Germany, in a.d. 962) and ended with the renunciation of the Roman imperial title by Francis II in 1806, and was regarded theoretically as the continuation of the Western Empire and as the temporal form of a universal dominion whose spiritual head was the pope.
- hospital gangrene — Pathology. a contagious, often fatal gangrene, especially involving amputation stumps and war wounds, occurring usually in crowded, ill-kept hospitals, and caused by putrefactive bacteria.
- hospitality suite — a suite or room, as in a hotel or convention center, rented by a business firm, political candidate, or the like, to meet and entertain clients, potential customers, etc.
- huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
- hydrogen sulphide — Chemistry
- hydrotherapy pool — a pool of water used for hydrotherapy
- hyper-intelligent — having good understanding or a high mental capacity; quick to comprehend, as persons or animals: an intelligent student.
- hyper-peristalsis — the progressive wave of contraction and relaxation of a tubular muscular system, especially the alimentary canal, by which the contents are forced through the system.
- hyperalimentation — overfeeding.
- hyperbolic cosine — one of a group of functions of an angle expressed as a relationship between the distances of a point on a hyperbola to the origin and to the coordinate axes; cosh
- hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
- hyperbolic spiral — rθ = a, (where a is a constant)
- hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
- hyperexcitability — an excessive reaction to stimuli.
- hyperinflationary — (economics) Having very high levels of inflation.