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19-letter words containing a, d, l

  • de-compartmentalize — to divide into categories or compartments.
  • de-internationalize — to make international, as in scope or character: a local conflict that was internationalized into a major war.
  • de-militarised zone — (networking)   (DMZ) (From the military term for an area between two opponents where fighting is prevented) DMZ Ethernets connect networks and computers controlled by different bodies. They may be external or internal. External DMZ Ethernets link regional networks with routers to internal networks. Internal DMZ Ethernets link local nodes with routers to the regional networks. Compare red zone.
  • deacetyltransferase — (enzyme) Any of a class of enzymes that remove acetyl groups, especially from a lysine residue of a histone.
  • death of a salesman — a play (1949) by Arthur Miller.
  • declaration of love — a statement made by one person to another in which they say they are in love with the other person
  • declare an interest — to make known one's connection, esp a prejudicial connection, with an affair
  • decontextualization — to remove (a linguistic element, an action, etc.) from a context: decontextualized works of art displayed in museums.
  • deflate compression — deflate
  • deflationary spiral — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
  • deindustrialisation — Alternative spelling of deindustrialization.
  • deindustrialization — the decline in importance of manufacturing industry in the economy of a nation or area
  • deinstitutionalized — Simple past tense and past participle of deinstitutionalize.
  • demonstration model — a nearly new product, such as a car or washing machine, that has been used only to demonstrate its performance by a dealer and is offered for sale at a discount
  • dendrochronological — Pertaining to dendrochronology.
  • dental receptionist — a receptionist working in a dental surgery
  • department of labor — the department of the U.S. federal government that promotes and improves the welfare, opportunities, and working conditions of wage earners. Abbreviation: DOL.
  • departmentalisation — Alternative spelling of departmentalization.
  • departmentalization — to divide into departments.
  • dependable software — software reliability
  • depletion allowance — a tax allowance granted in certain industries, such as the oil and gas industries, to compensate for the depletion of the oil, gas, etc owned by the company
  • design in real time — (programming)   (Dirt) A user interface builder for the X Window System by R. Hesketh.
  • detective constable — a police officer who investigates crime and who is of the lowest rank
  • developable surface — a surface that can be flattened onto a plane without stretching or compressing any part of it, as a circular cone.
  • development company — a company that buys land and builds houses, offices, shops, or factories on it, or buys existing buildings and makes them more modern
  • devil's coach-horse — a large black rove beetle, Ocypus olens, with large jaws and ferocious habits
  • devils-on-horseback — a savoury of prunes wrapped in bacon slices and served on toast
  • diamond-leaf laurel — a tree, Pittosporum rhombifolium, of Australia, having coarsely toothed, oval or diamond-shaped leaves and white flowers, widely planted as an ornamental in the southwestern U.S.
  • dielectric constant — Electricity. the ratio of the flux density produced by an electric field in a given dielectric to the flux density produced by that field in a vacuum.
  • diethylaminoethanol — a colorless, hygroscopic, water-soluble liquid, C 6 H 15 NO, used for the synthesis of local anesthetics, in antirust compounds, and in photographic emulsions.
  • 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.
  • differential driver — (hardware)   An electronic device (commonly an integrated circuit), containing two amplifiers, used to drive a differential line.
  • 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.
  • digital electronics — (electronics)   The implementation of two-valued logic using electronic logic gates such as and gates, or gates and flip-flops. In such circuits the logical values true and false are represented by two different voltages, e.g. 0V for false and +5V for true. Similarly, numbers are normally represented in binary using two different voltages to represented zero and one. Digital electronics contrasts with analogue electronics which represents continuously varying quantities like sound pressure using continuously varying voltages. Digital electronics is the foundation of modern computers and digital communications. Massively complex digital logic circuits with millions of gates can now be built onto a single integrated circuit such as a microprocessor and these circuits can perform millions of operations per second.
  • digital linear tape — (storage)   (DLT) A kind of magnetic tape drive originally developed by DEC and now marketed by Quantum. DLT drives implement the Digital Lempel Ziv 1 (DLZ1) compression algorithm in a combination of hardware and firmware. They use a popular chip by Stac (now hi/fn) to do the string searching. Counting, sorting and Huffman coding are done in firmware (with hardware support for the Huffman algorithm?). In April 1997 DLT drives can transfer 5 megabytes per second and can store 35 gigabytes on a single cartridge. Compression might roughly double these figures.
  • digital photography — the taking or manipulation of photographs that are stored as data files on a computer.
  • dimethylnitrosamine — a yellow, water-soluble carcinogenic liquid, C 2 H 6 N 2 O, found in tobacco smoke and certain foods: known to be a potent carcinogen. Abbreviation: DMN, DMNA.
  • diplomatic immunity — exemption from taxation, searches, arrest, etc., enjoyed by diplomatic officials and their dependent families under international law, and usually on a reciprocal basis.
  • direct grant school — (in Britain, formerly) a school financed by endowment, fees, and a state grant conditional upon admittance of a percentage of nonpaying pupils nominated by the local education authority
  • directional coupler — (communications)   (tap) A passive device used in cable systems to divide and combine radio frequency signals. A directional coupler has at least three ports: line in, line out, and the tap. The signal passes between line in and line out ports with loss referred to as the insertion loss. A small portion of the signal power applied to the line in port passes to the tap port. A signal applied to the tap port is passed to the line in port less the tap attenuation value. The tap signals are isolated from the line out port to prevent reflections. A signal applied to the line out port passes to the line in port and is isolated from the tap port. Some devices provide more than one tap output line (multi-taps).
  • disablement benefit — (in Britain) a noncontributory benefit payable to a person disabled through injury or disease caused by their work
  • disaster capitalism — the practice (by a government, regime, etc) of taking advantage of a major disaster to adopt liberal economic policies that the population would be less likely to accept under normal circumstances
  • disciplinary action — punishment or caution
  • dispersion relation — the relationship between the angular frequency (ω;) of a wave and the magnitude of its wave vector (k). Thus the wave's speed is ω/k
  • displaced homemaker — a woman recently divorced, separated, or widowed after many years as a homemaker.
  • displacement engine — any engine employing the rectilinear motion of one or more pistons in cylinders.
  • display advertising — display ads taken collectively.
  • distillation column — a type of still fitted with interior baffles, used for fractional distillation. Compare still2 (def 1).
  • distinguishableness — The state or quality of being distinguishable.
  • diversional therapy — the structured use of leisure time in recreation and play as a form of or supplement to conventional therapy
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