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19-letter words containing c, h, e, d

  • overhead projection — the projection (using an overhead projector) of an enlarged image of a transparency onto a surface above and behind the person using it
  • palisade parenchyma — the upper layer of ground tissue in a leaf, consisting of elongated cells beneath and perpendicular to the upper epidermis and constituting the primary area of photosynthesis.
  • paradichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
  • parathyroid extract — an aqueous preparation obtained from the parathyroid gland of cattle, used in medicine chiefly in cases of parathyroid deficiency and in veterinary medicine in the treatment of tetanic convulsions.
  • phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
  • physical addressing — (networking)   The low level addressing scheme used on Ethernet. The 48-bit destination Ethernet address in a packet is compared with the receiving node's Ethernet address. Compare IP address.
  • physically impaired — with reduced or weakened physical capacity
  • pied-de-biche spoon — a spoon having a handle with a trifid end.
  • pocket-handkerchief — handkerchief (def 1).
  • police headquarters — building where police are stationed
  • priority scheduling — (operating system)   Processes scheduling in which the scheduler selects tasks to run based on their priority as opposed to, say, a simple round-robin. Priorities may be static or dynamic. Static priorities are assigned at the time of creation, while dynamic priorities are based on the processes' behaviour while in the system. For example, the scheduler may favour I/O-intensive tasks so that expensive requests can be issued as early as possible. A danger of priority scheduling is starvation, in which processes with lower priorities are not given the opportunity to run. In order to avoid starvation, in preemptive scheduling, the priority of a process is gradually reduced while it is running. Eventually, the priority of the running process will no longer be the highest, and the next process will start running. This method is called aging.
  • pseudo-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
  • pseudo-hieroglyphic — noting or pertaining to a script dating from the second millennium b.c. that appears to be syllabic and to represent the Phoenician language and that is inscribed on objects found at Byblos.
  • pseudopsychological — of or relating to psychology.
  • psychic determinism — the theory that all aspects of a person's psychological makeup arise from specific causes or forces, as previous experiences or instinctual drives, which may be conscious or unconscious.
  • psychoendocrinology — the study of the relationship between the endocrine system and various symptoms or types of mental illness.
  • radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
  • rancho palos verdes — a town in SW California.
  • redress the balance — to make a fair adjustment; see that justice is done
  • regular icosahedron — an icosahedron in which each of the faces is an equilateral triangle
  • reticuloendothelial — pertaining to, resembling, or involving cells of the reticuloendothelial system.
  • rhodesian ridgeback — a large short-haired breed of dog characterized by a ridge of hair growing along the back in the opposite direction to the rest of the coat. It was originally a hunting dog from South Africa
  • run-length encoding — A kind of compression algorithm which replaces sequences ("runs") of consecutive repeated characters (or other units of data) with a single character and the length of the run. This can either be applied to all input characters, including runs of length one, or a special character can be used to introduce a run-length encoded group. The longer and more frequent the runs are, the greater the compression that will be achieved. This technique is particularly useful for encoding black and white images where the data units would be single bit pixels.
  • sackcloth and ashes — a public display of extreme grief, remorse, or repentance
  • samuel de champlain — Samuel de [sam-yoo-uh l duh;; French sa-my-el duh] /ˈsæm yu əl də;; French sa müˈɛl də/ (Show IPA), 1567–1635, French explorer in the Americas: founder of Quebec; first colonial governor 1633–35.
  • sandwich generation — the generation of people still raising their children while having to care for their aging parents.
  • school of the squad — an institution where instruction is given, especially to persons under college age: The children are at school.
  • semidetached binary — a pair of stars that are so close together that mass transfer occurs from one to the other
  • seventh commandment — “Thou shalt not commit adultery”: seventh of the Ten Commandments.
  • simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
  • sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
  • solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
  • switchblade (knife) — a large jackknife that snaps open when a release button on the handle is pressed
  • synthetic detergent — any synthetic substance, other than soap, that is an effective cleanser and functions equally well as a surface-active agent in hard or soft water.
  • take care to do sth — If you take care to do something, you make sure that you do it.
  • take up the cudgels — If you take up the cudgels for someone or something, you speak or fight in support of them.
  • teilhard de chardin — Pierre [pyer] /pyɛr/ (Show IPA), 1881–1955, French Jesuit priest, paleontologist, and philosopher.
  • telephone directory — a book, directory, or the like, usually containing an alphabetical list of telephone subscribers in a city or other area, together with their addresses and telephone numbers.
  • the disenfranchised — people who are deprived of the right to vote or other rights of citizenship
  • the middle distance — an unspecified point in the distance
  • the whole enchilada — all of it; everything; the entirety of something
  • the world of cryton — (TWOC) A BBS for the Acorn Archimedes. Telephone: +44 (1749) 670 030 (24hrs, most speeds).
  • theatrical producer — a person who is responsible for all aspects of a theatrical production
  • throw cold water on — having a relatively low temperature; having little or no warmth: cold water; a cold day.
  • to be reckoned with — of considerable importance or influence
  • to change your mind — If you change your mind, or if someone or something changes your mind, you change a decision you have made or an opinion that you had.
  • to the prejudice of — to the detriment of
  • trahison des clercs — a compromising of intellectual integrity, esp. for political reasons
  • trickle-down theory — an economic theory that monetary benefits directed especially by the government to big business will in turn pass down to and profit smaller businesses and the general public.
  • tricks of the trade — expert techniques
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