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19-letter words containing c, l, e, f

  • cross-fertilization — fertilization by the fusion of male and female gametes from different individuals of the same species
  • crystallized fruits — fruits that are covered in sugar which is melted and then allowed to harden
  • culler-fried system — A system for interactive mathematics.
  • cult of personality — a cult promoting adulation of a living national leader or public figure, as one encouraged by Stalin to extend his power.
  • cyril of alexandria — Saint. ?375–444 ad, Christian theologian and patriarch of Alexandria. Feast day: June 27 or June 9
  • deacetyltransferase — (enzyme) Any of a class of enzymes that remove acetyl groups, especially from a lysine residue of a histone.
  • declaration of love — a statement made by one person to another in which they say they are in love with the other person
  • deflate compression — deflate
  • dereliction of duty — Dereliction of duty is deliberate or accidental failure to do what you should do as part of your job.
  • developable surface — a surface that can be flattened onto a plane without stretching or compressing any part of it, as a circular cone.
  • differential backup — (operating system)   A kind of backup that copies all files that have changed since the last full backup. Each differential backup will include all files in previous differential backups since the full backup so to restore a version of a file, you only need to search the full backup and the relevant differential backup. Some systems support differential backup by associating an "Archive" flag with each file and setting this flag whenever the file is modified to indicate that it should be included in the next backup. A differential backup does not change this flag, whereas an incremental backup resets it.
  • digital certificate — (communications, security)   An attachment to an electronic mail message used for security purposes, e.g. to verify that a user sending a message is who he or she claims to be, and to provide the receiver with the means to encode a reply. An individual wishing to send an encrypted message applies for a digital certificate from a certificate authority (CA). The CA issues an encrypted digital certificate containing the applicant's public key and a variety of other identification information. The CA makes its own public key readily available on the Internet. The recipient of an encrypted message uses the CA's public key to decode the digital certificate attached to the message, verifies it as issued by the CA and then obtains the sender's public key and identification information held within the certificate.
  • disciples of christ — a Christian denomination, founded in the U.S. by Alexander Campbell in the early part of the 19th century, that rejects all creeds, holds the Bible as a sufficient rule of faith and practice, administers baptism by immersion, celebrates the Lord's Supper every Sunday, and has a congregational polity.
  • effective half-life — the time required for half of a quantity of radioactive material absorbed by a living tissue or organism to be removed by both elimination and decay
  • effervescent tablet — Effervescent tablets break down quickly when they are dropped into water or another liquid.
  • elastic deformation — In elastic deformation a material changes shape when a stress is applied to it but goes back to its original state when the stress is removed.
  • electromotive force — a source of energy that can cause a current to flow in an electrical circuit or device
  • electrostatic field — an electric field associated with static electric charges
  • entry qualification — the qualifications and conditions required to join an organization, club, etc
  • facultative apomict — a plant that can reproduce sexually or asexually.
  • false consciousness — a Marxist theory that people are unable to see things, especially exploitation, oppression, and social relations, as they really are; the hypothesized inability of the human mind to develop a sophisticated awareness of how it is developed and shaped by circumstances.
  • family practitioner — medical specialization in general practice, requiring training beyond that of general practice and leading to board certification.
  • family-sized packet — a large packet
  • fellow countrywoman — a fellow countrywoman is a female citizen of the same state as the person speaking, writing, or being referred to
  • female circumcision — clitoridectomy.
  • fetch-execute cycle — (architecture, processor)   The sequence of actions that a central processing unit performs to execute each machine code instruction in a program. At the beginning of each cycle the CPU presents the value of the program counter on the address bus. The CPU then fetches the instruction from main memory (possibly via a cache and/or a pipeline) via the data bus into the instruction register. From the instruction register, the data forming the instruction is decoded and passed to the control unit which sends a sequence of control signals to the relevant function units of the CPU to perform the actions required by the instruction such as reading values from registers, passing them to the ALU to add them together and writing the result back to a register. The program counter is then incremented to address the next instruction and the cycle is repeated. The fetch-execute cycle was first proposed by John von Neumann.
  • financial statement — a document that records the financial activities and state of an organization or person
  • first-sale doctrine — a legal principle allowing the purchaser of a lawfully made copy of a copyright-protected work to sell or give away that copy without permission but not to reproduce it.
  • five o'clock shadow — the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
  • five-o'clock shadow — the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
  • flag of convenience — the foreign flag under which merchant ships register in order to save on taxes or wages, or to avoid government regulations.
  • flannelmouth sucker — a sucker, Catostomus latipinnis, of the Colorado River and its tributaries.
  • focal plane shutter — an opaque shield in a camera, lying in the focal plane of the lens, that, when tripped, admits light to expose the film or plate for a predetermined period, usually a fraction of a second
  • focal-plane shutter — a camera shutter situated directly in front of the film.
  • foregone conclusion — an inevitable conclusion or result.
  • four colour theorem — four colour map theorem
  • four eyes principle — the requirement that a business transaction be approved by at least two individuals
  • fractal compression — (algorithm)   A technique for encoding images using fractals.
  • fractional currency — coins or paper money of a smaller denomination than the basic monetary unit.
  • fraternal insurance — insurance underwritten by a fraternal society, under either a legal reserve plan or an assessment plan.
  • frederick william i — 1688–1740, king of Prussia 1713–40.
  • frill-necked lizard — a large arboreal insectivorous Australian lizard, Chlamydosaurus kingi, having an erectile fold of skin around the neck: family Agamidae (agamas)
  • frontier technology — innovative or new technology
  • full-wave rectifier — a rectifier that transmits both halves of a cycle of alternating current as a direct current.
  • functional currency — Functional currency is the main currency used by a business.
  • functional database — (database, language)   A database which uses a functional language as its query language. Databases would seem to be an inappropriate application for functional languages since, a purely functional language would have to return a new copy of the entire database every time (part of) it was updated. To be practically scalable, the update mechanism must clearly be destructive rather than functional; however it is quite feasible for the query language to be purely functional so long as the database is considered as an argument. One approach to the update problem would use a monad to encapsulate database access and ensure it was single threaded. Alternative approaches have been suggested by Trinder, who suggests non-destructive updating with shared data structures, and Sutton who uses a variant of a Phil Wadler's linear type system. There are two main classes of functional database languages. The first is based upon Backus' FP language, of which FQL is probably the best known example. Adaplan is a more recent language which falls into this category. More recently, people have been working on languages which are syntactically very similar to modern functional programming languages, but which also provide all of the features of a database language, e.g. bulk data structures which can be incrementally updated, type systems which can be incrementally updated, and all data persisting in a database. Examples are PFL [Poulovassilis&Small, VLDB-91], and Machiavelli [Ohori et al, ACM SIGMOD Conference, 1998].
  • functional language — (language)   A language that supports and encourages functional programming.
  • functional medicine — individualized medical care that recognizes the interactions between genetic and environmental factors and between the body's interconnected systems.
  • general post office — (in the U.S. postal system) the main post office of a city, county, etc., that also has branch post offices. Abbreviation: G.P.O., GPO.
  • grandfather's clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
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