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15-letter words containing p, r, e, t

  • graphic granite — a pegmatite that has crystals of gray quartz imbedded in white or pink microcline in such a manner that they resemble cuneiform writing.
  • grappier cement — a by-product of the calcination of hydraulic lime, having similar properties and made from ground, unslaked lumps.
  • graviperception — the perception of gravity by plants
  • green footprint — the impact of a building on the environment
  • greenback party — a former political party, organized in 1874, opposed to the retirement or reduction of greenbacks and favoring their increase as the only paper currency.
  • group separator — (character)   (GS) ASCII character 29.
  • group therapist — a psychotherapist who conducts group therapy
  • hair specialist — an expert in the treatment and care of human hair
  • 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.
  • hautes-pyrenees — a department in SW France. 1751 sq. mi. (4535 sq. km). Capital: Tarbes.
  • heart operation — a surgical operation performed on the heart
  • heart tamponade — tamponade (def 2).
  • height-to-paper — the standard height of type, measured from the foot to the face, in the U.S. 0.918 of an inch (2.33 cm).
  • helicopter view — an overview of a situation without any details
  • hematoporphyria — porphyria.
  • hematoporphyrin — a porphyrin made by treating haemoglobin with acid, used to treat cancer in photodynamic therapy
  • hemicryptophyte — any perennial plant that bears its overwintering buds at soil level, where they are often partly covered by surface debris
  • hepatocarcinoma — (pathology) cancer of the liver.
  • hermaphroditism — the condition of being a hermaphrodite.
  • 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).
  • high priesthood — the condition or office of a high priest.
  • hip measurement — a measurement around the hips at the level of the buttocks used in clothing and assessing general health
  • hip replacement — a surgical procedure involving replacing the hip joint with an artificial implant
  • historiographer — a historian, especially one appointed to write an official history of a group, period, or institution.
  • 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.
  • homoerotophobia — Homophobia; antipathy towards homosexuals.
  • honeycomb tripe — a part of the inner lining of the stomach of the steer, calf, hog, or sheep, resembling a honeycomb in appearance and considered a table delicacy.
  • hopeful monster — a hypothetical individual organism that, by means of a fortuitous macromutation permitting an adaptive shift to a new mode of life, becomes the founder of a new type of organism and a vehicle of macroevolution.
  • hopper casement — a casement with a sash hinged at the bottom.
  • 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.
  • housing project — a publicly built and operated housing development, usually intended for low- or moderate-income tenants, senior citizens, etc.
  • humphrey bogart — Humphrey (DeForest) ("Bogie"or"Bogey") 1899–57, U.S. motion-picture actor.
  • hung parliament — a parliament that does not have a party with a working majority
  • hunting leopard — the cheetah.
  • hybrid computer — a computer system containing both analog and digital hardware.
  • hydroxylapatite — Alternative spelling of hydroxyapatite.
  • hyetometrograph — an instrument used to record rainfall
  • hype-carbonated — (of a product or service) overvalued as a result of relentless marketing and PR or intensive media exposure
  • hyper-emotional — pertaining to or involving emotion or the emotions.
  • hyper-energetic — possessing or exhibiting energy, especially in abundance; vigorous: an energetic leader.
  • hyperactivation — (biology) A form of sperm motility associated with active beating of the flagellum.
  • hyperactiveness — The state or quality of being hyperactive.
  • 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.
  • hypercorrection — the substitution, in an inappropriate context, of a pronunciation, grammatical form, or usage thought by the speaker or writer to be appropriate, resulting usually from overgeneralizing in an effort to replace seemingly incorrect forms with correct ones, as the substitution of between you and I for between you and me, by analogy with you and I as the subject of a sentence.
  • hypercritically — In a hypercritical manner.
  • hyperdemocratic — pertaining to or of the nature of democracy or a democracy.
  • hyperexcitement — excessive or extreme excitement
  • hyperextensible — Capable of being stretched and extended.
  • hyperfastidious — extremely or excessively fastidious
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