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16-letter words containing e, p, a, y

  • primary producer — any green plant or any of various microorganisms that can convert light energy or chemical energy into organic matter.
  • private property — land or belongings owned by a person or group and kept for their exclusive use
  • progress payment — an instalment of a larger payment made to a contractor for work carried out up to a specified stage of the job
  • property company — a business that makes money by buying, selling, and renting out land and houses
  • proprietary name — a name of a product or service that is protected by a patent, copyright, or trademark and cannot be used by another party for commercial purposes without permission of the registered owner or licensee.
  • pseudoparenchyma — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
  • psychic distance — the degree of emotional detachment maintained toward a person, group of people, event, etc.
  • psychogeriatrics — the psychology of old age.
  • ptolemaic system — a system elaborated by Ptolemy and subsequently modified by others, according to which the earth was the fixed center of the universe, with the heavenly bodies moving about it.
  • publicity agency — an advertising agency; a firm that gets publicity for people or products
  • pulmonary artery — an artery conveying venous blood from the right ventricle of the heart to the lungs.
  • pygmy chimpanzee — a small chimpanzee, Pan paniscus, primarily of swamp forests in the Democratic Republic of the Congo: a threatened species.
  • pyroracemic acid — pyruvic acid.
  • pyruvic aldehyde — a yellow, liquid compound, C 3 H 4 O 2 , containing both an aldehyde and a ketone group, usually obtained in a polymeric form: used chiefly in organic synthesis.
  • query by example — (database, language)   (QBE) A user-friendly query language developed by Moshé Zloof of IBM in 1975.
  • ramsden eyepiece — an eyepiece consisting of two plano-convex crown-glass lenses of equal focal length, placed with the convex sides facing each other and with a separation between the lenses of about two-thirds of the focal length of each.
  • raspberry sawfly — a black sawfly, Monophadnoides geniculatus, the larvae of which feed on the leaves of the raspberry and blackberry.
  • refinery upgrade — A refinery upgrade is the process of introducing the newest technology in some parts of the refinery.
  • relatively prime — (mathematics)   Having no common divisors (greater than 1). Two numbers are said to be relativey prime if there is no number greater than unity that divides both of them evenly. For example, 10 and 33 are relativly prime. 15 and 33 are not relatively prime, since 3 is a divisor of both.
  • representatively — a person or thing that represents another or others.
  • republican party — one of the two major political parties in the U.S.: originated 1854–56.
  • reserve capacity — the capacity of a battery, measured in minutes, to keep a vehicle operating if the charging system fails.
  • restriction play — a limited number of opening moves that are predetermined by their chance selection from an accepted list.
  • rhynchocephalian — belonging or pertaining to the Rhynchocephalia, an order of lizardlike reptiles that are extinct except for the tuatara.
  • roentgenotherapy — treatment of disease by means of x-rays.
  • seating capacity — the number of people a place can seat
  • secondary phloem — phloem derived from the cambium during secondary growth.
  • self-complacency — pleased with oneself; self-satisfied; smug.
  • self-deprecatory — belittling or undervaluing oneself; excessively modest.
  • self-exculpatory — intended to excuse oneself from blame or guilt
  • self-explanatory — explaining itself; needing no explanation; obvious.
  • sharpe's grysbok — either of two small, usually solitary antelopes of southern Africa, Raphicerus melanotis, or R. sharpei (Sharpe's grysbok) having a light to dark reddish-brown coat speckled with white.
  • showy crab apple — a large Japanese bush or tree, Malus floribunda, of the rose family, having red fruit and rose-colored flowers that fade to white.
  • single occupancy — a type of travel accommodation, as at a hotel, for one person in a room.
  • sleep-wake cycle — Physiology. the species-specific biological pattern of alternating sleep and wakefulness, in humans roughly 8 hours of nocturnal sleep and 16 hours of daytime activity.
  • soapberry family — the plant family Sapindaceae, characterized by chiefly tropical trees, shrubs, or herbaceous vines having compound leaves, clustered flowers, and berrylike, fleshy, or capsular fruit, and including the balloon vine, golden rain tree, litchi, and soapberry.
  • special delivery — (in the U.S. Postal Service) delivery of mail outside the regularly scheduled hours, by a special messenger, upon the payment of an extra fee.
  • specific gravity — the ratio of the density of any substance to the density of some other substance taken as standard, water being the standard for liquids and solids, and hydrogen or air being the standard for gases.
  • speech pathology — the scientific study and treatment of defects, disorders, and malfunctions of speech and voice, as stuttering, lisping, or lalling, and of language disturbances, as aphasia or delayed language acquisition.
  • sphygmomanometer — an instrument, often attached to an inflatable air-bladder cuff and used with a stethoscope, for measuring blood pressure in an artery.
  • sphygmomanometry — an instrument, often attached to an inflatable air-bladder cuff and used with a stethoscope, for measuring blood pressure in an artery.
  • spiny-rayed fish — any of various fishes, as basses and perches, that have sharp, often pointed and usually rigid fin spines.
  • spraying machine — a device for spraying large volumes of liquid, such as insecticide onto crops
  • standing cypress — a plant, Ipomopsis rubra, of the southern U.S., having feathery leaves and clusters of red and yellow flowers.
  • stonecrop family — the plant family Crassulaceae, characterized by succulent herbaceous plants and shrubs with simple, fleshy leaves, clusters of small flowers, and dry, dehiscent fruit, and including hen-and-chickens, houseleek, kalanchoe, live-forever, orpine, sedum, and stonecrop.
  • storage capacity — amount of room or space
  • superheavyweight — an amateur boxer weighing more than 91 kg
  • swine erysipelas — erysipelas (def 2).
  • system on a chip — A system on a chip combines most of a system's elements on a single integrated circuit or chip.
  • taimyr peninsula — a peninsula in the N Russian Federation in Asia, between the Kara and Laptev seas.
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