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15-letter words containing e, l, p, h, a

  • hair specialist — an expert in the treatment and care of human hair
  • half-wave plate — a crystal thin enough to cause a phase difference of 180° between the ordinary and extraordinary rays of polarized light, thereby changing the direction of the plane of polarization.
  • halting problem — The problem of determining in advance whether a particular program or algorithm will terminate or run forever. The halting problem is the canonical example of a provably unsolvable problem. Obviously any attempt to answer the question by actually executing the algorithm or simulating each step of its execution will only give an answer if the algorithm under consideration does terminate, otherwise the algorithm attempting to answer the question will itself run forever. Some special cases of the halting problem are partially solvable given sufficient resources. For example, if it is possible to record the complete state of the execution of the algorithm at each step and the current state is ever identical to some previous state then the algorithm is in a loop. This might require an arbitrary amount of storage however. Alternatively, if there are at most N possible different states then the algorithm can run for at most N steps without looping. A program analysis called termination analysis attempts to answer this question for limited kinds of input algorithm.
  • hapax legomenon — a word or phrase that appears only once in a manuscript, document, or particular area of literature.
  • hardship clause — a clause in a contract which covers unforeseen events that would make it more difficult for one party to complete the contract, and in which case offers alternative terms
  • hardy perennial — a plant that lasts three seasons or more and that can withstand freezing temperatures
  • haulage company — a firm that transports goods by lorry
  • have to lump it — If you say that someone will have to lump it, you mean that they must accept a situation or decision whether they like it or not.
  • head-up display — an electronic display of data from instruments or other sources projected at eye level so that a driver or pilot sees it without looking away from the road or course. Abbreviation: HUD.
  • heath speedwell — a temperate scrophulariaceous plant, Veronica officinalis, having small blue or pinkish white flowers
  • hemel hempstead — a town in W Hertfordshire, in SE England.
  • hepaticological — of or relating to hepaticology
  • herpes labialis — oral herpes.
  • hewlett-packard — (HP) Hewlett-Packard designs, manufactures and services electronic products and systems for measurement, computation and communications. The company's products and services are used in industry, business, engineering, science, medicine and education in approximately 110 countries. HP was founded in 1939 and employs 96600 people, 58900 in the USA. They have manufacturing and R&D establishments in 54 cities in 16 countries and approximately 600 sales and service offices in 110 countries. Their revenue (in 1992/1993?) was $20.3 billion. The Chief Executive Officer is Lewis E. Platt. HP's stock is traded on the New York Stock Exchange and the Pacific, Tokyo, London, Frankfurt, Zurich and Paris exchanges. Quarterly sales $6053M, profits $347M (Aug 1994).
  • hexachlorophene — a white, crystalline powder, C 13 Cl 6 H 6 O 2 , insoluble in water: used as an antibacterial agent chiefly in toothpastes and soaps.
  • hip replacement — a surgical procedure involving replacing the hip joint with an artificial implant
  • holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
  • homeopathically — By means of homeopathy.
  • hospital corner — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
  • hundred's place — hundred (def 8).
  • hung parliament — a parliament that does not have a party with a working majority
  • hunting leopard — the cheetah.
  • hurdle champion — a hurdler who has defeated all others in a competition
  • hydraulic press — a machine permitting a small force applied to a small piston to produce, through fluid pressure, a large force on a large piston.
  • hydroxylapatite — Alternative spelling of hydroxyapatite.
  • hyper-emotional — pertaining to or involving emotion or the emotions.
  • hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
  • hypercalcinuria — Condition of high levels of calcium in the urine as caused by high levels of bone resorption seen in osteoporosis or hyperthyroidism.
  • hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
  • hypercatalectic — (of a line of verse) containing an additional syllable after the last dipody or foot. Compare acatalectic (def 2), catalectic.
  • hypercoagulable — related to excessive coagulation of the blood or blood clots
  • hypercritically — In a hypercritical manner.
  • hyperfunctional — of or relating to a function or functions: functional difficulties in the administration.
  • hypergalactosis — an abnormally large secretion of milk.
  • hyperlipidaemia — Alternative spelling of hyperlipidemia.
  • hyperlipoidemia — An abnormally high level of lipoids in the blood.
  • hypermetabolism — Biology, Physiology. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Compare anabolism, catabolism.
  • hypermutability — liable or subject to change or alteration.
  • hyperpolarizing — Present participle of hyperpolarize.
  • hypersalivation — the act or process of salivating.
  • hypersexualised — Simple past tense and past participle of hypersexualise.
  • hypersexualized — Simple past tense and past participle of hypersexualize.
  • hyperventilated — Simple past tense and past participle of hyperventilate.
  • hypoalbuminemia — an abnormally small quantity of albumin in the blood.
  • hypocrystalline — (of igneous rocks) having both glass and crystalline components
  • hypoinsulinemia — (medicine) An abnormally low level of insulin in the blood.
  • hypolydian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from C to C, with the final on F.
  • hypoventilating — Present participle of hypoventilate.
  • hypoventilation — Breathing at an abnormally slow rate, resulting in an increased amount of carbon dioxide in the blood.
  • ideographically — an ideogram.
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