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20-letter words containing n, o, a, v

  • covenant-of-warranty — warranty (def 2b).
  • creative imagination — the faculty of imagining, or of forming mental images or concepts of what is not actually present to the senses.
  • crude oil evaluation — Crude oil evaluation is the process of assessing the chemical and physical properties of crude oil, against particular standards.
  • death of ivan ilyich — a short novel (1884) by Leo Tolstoy.
  • descriptive notation — a method of denoting the squares on the chessboard in which each player names the files from the pieces that stand on them at the opening and numbers the ranks away from himself
  • developing-out paper — a sensitized printing paper requiring development in order to bring out the image. Abbreviation: D.O.P.
  • development planning — the planning of the development of an area of land
  • do someone a service — If you do someone a service, you do something that helps or benefits them.
  • documentary evidence — law: written
  • dolly varden pattern — a fabric print consisting of bouquets of flowers.
  • electromagnetic wave — a wave of energy propagated in an electromagnetic field
  • embryo vitrification — a method of in vitro fertilization in which the embryo is exposed to a vitreous solution and frozen before being thawed and implanted into the uterus
  • environment variable — (programming, operating system)   A variable that is bound in the current environment. When evaluating an expression in some environment, the evaluation of a variable consists of looking up its name in the environment and substituting its value. Most programming languages have some concept of an environment but in Unix shell scripts it has a specific meaning slightly different from other contexts. In shell scripts, environment variables are one kind of shell variable. They differ from local variables and command line arguments in that they are inheritted by a child process. Examples are the PATH variable that tells the shell the file system paths to search to find command executables and the TZ variable which contains the local time zone. The variable called "SHELL" specifies the type of shell being used. These variables are used by commands or shell scripts to discover things about the environment they are operating in. Environment variables can be changed or created by the user or a program. To see a list of environment variables type "setenv" at the csh or tcsh prompt or "set" at the sh, bash, jsh or ksh prompt. In other programming languages, e.g. functional programming languages, the environment is extended with new bindings when a function's parameters are bound to its actual arguments or when new variables are declared. In a block-structured procedural language, the environment usually consists of a linked list of activation records.
  • environmental health — the issues dealt with by the Environmental Health Department of a local authority, such as prevention of the spread of communicable diseases, food safety and hygiene, control of infestation by insects or rodents, etc
  • environmental impact — the impact on the environment created by an industry, service, plan, or project
  • equivalence relation — (mathematics)   A relation R on a set including elements a, b, c, which is reflexive (a R a), symmetric (a R b => b R a) and transitive (a R b R c => a R c). An equivalence relation defines an equivalence class. See also partial equivalence relation.
  • federal reserve note — a form of paper money issued by a Federal Reserve Bank.
  • flavour of the month — If you think that something or someone is very popular at a particular time, you can say that they are flavour of the month.
  • formative assessment — ongoing assessment of a pupil's educational development within a particular subject area
  • front-end volatility — Front-end volatility is the ability of the fractions with lower boiling points, such as butane, to evaporate at normal temperatures.
  • generative phonology — a theory of phonology that uses a set of rules to derive phonetic representations from abstract underlying forms.
  • give one's right arm — to be prepared to make any sacrifice
  • give someone the air — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
  • governador valadares — a city in E Brazil.
  • gravitational radius — Schwarzschild radius.
  • great northern diver — a large northern bird, Gavia immer, with a black-and-white chequered back and a black head and neck in summer: family Gaviidae (divers)
  • guided visualization — a relaxation technique in which words, sounds, etc., are used to evoke positive mental images, feelings, and thoughts.
  • have come a long way — If you say that someone or something has come a long way, you mean that they have developed, progressed, or become very successful.
  • have had one's chips — to be defeated, condemned to die, killed, etc
  • heat of vaporization — the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
  • hildegard von bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
  • human papillomavirus — any of a group of papillomaviruses causing cutaneous warts and lesions of the oral, anal, and genital mucous membranes in human beings
  • human parvovirus b19 — Pathology. a mild infection, most often seen in children or young adults, caused by a small virus ((the human parvovirus B19)) and marked by a blotchy rash on the cheeks, arms, and legs.
  • in the event of/that — You use in the event of, in the event that, and in that event when you are talking about a possible future situation, especially when you are planning what to do if it occurs.
  • in-service education — training and education given to employed teachers throughout their career
  • information overload — an excess of incoming information, as might confront a pedestrian on a crowded city street, that forces one to be selective in the information received and retained.
  • intravenous drug use — the injection of drugs intravenously
  • inventory adjustment — Inventory adjustments are increases or decreases made in inventory to account for theft, loss, breakages, and errors in the amount or number of items received.
  • java development kit — (language, compiler)   (JDK) A free Sun Microsystems product which provides the environment required for programming in Java. The JDK is available for a variety of platforms, but most notably Sun Solaris and Microsoft Windows.
  • jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
  • kármán vortex street — a regular stream of vortices shed from a body placed in a fluid stream: investigated by Kármán who advanced a formula for the frequency of the shed vortices in terms of the stream velocity and the dimensions of the body
  • keratoconjunctivitis — inflammation of the cornea and conjunctiva.
  • labour-saving device — a machine, gadget, etc, that reduces (human) effort, hard work or labour
  • lacto-ovo-vegetarian — Also called lactovarian [lak-tuh-vair-ee-uh n] /ˌlæk təˈvɛər i ən/ (Show IPA), ovolactarian, ovo-lacto-vegetarian. a vegetarian whose diet includes dairy products and eggs.
  • language development — the development verbal communication skills in children
  • lavaliere microphone — a small microphone that hangs around the neck of a performer or speaker.
  • make love to someone — to have sexual intercourse with someone
  • manuel avila camacho — Manuel Ávila [mah-nwel ah-vee-lah] /mɑˈnwɛl ˈɑ viˌlɑ/ (Show IPA). Manuel Avila Camacho.
  • maternal deprivation — the lack of a mother in a child's life, considered a cause of psychological problems later in life
  • microwave background — a background of microwave electromagnetic radiation with a black-body spectrum discovered in 1965, understood to be the thermal remnant of the big bang with which the universe began
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