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20-letter words containing d, i, s, l

  • complaints procedure — a prescribed method of lodging a complaint to an institution
  • condensation nucleus — nucleus (def 5).
  • conditioned stimulus — a stimulus to which an organism has learned to make a response by classical conditioning
  • congressional record — (in the US) the government journal that publishes all proceedings of Congress
  • controlled explosion — the deliberate detonation of an explosive device under strictly controlled circumstances
  • copulative asyndeton — a staccato effect produced by omitting copulative connectives between two or more items in a group, as in “Friends, Romans, countrymen.”.
  • corresponding angles — a pair of nonadjacent angles, one interior and one exterior, on the same side of a transversal: these paired angles are equal if the lines cut by the transversal are parallel
  • cost-of-living index — a numerical scale by means of which cost-of-living levels can be compared with a base number
  • criminal proceedings — action taken in a court to bring a criminal prosecution against someone
  • criminal syndicalism — the doctrine of recourse to acts of violence or terrorism, or the advocacy of such acts, as a means of effecting economic or political change: proscribed by statute in many U.S. states.
  • cycloidal propulsion — propulsion of a vessel by propellers of controllable pitch that steer as well as propel.
  • cylinder head gasket — (in an automobile engine) a gasket placed between the cylinder and the cylinder heads to avoid leaks of coolant and compression
  • darkfield microscope — kind of microscope
  • daylight saving time — Daylight Saving Time is a period of time in the summer when the clocks are set one hour forward, so that people can have extra light in the evening.
  • daylight-saving time — the civil time observed when daylight saving is adopted in a country or community.
  • deinstitutionalizing — Present participle of deinstitutionalize.
  • dementia pugilistica — chronic traumatic encephalopathy.
  • democratic socialism — socialism, or a modified form of socialism, achieved by a gradual transition by and under democratic political processes.
  • deontological ethics — the branch of ethics dealing with right action and the nature of duty, without regard to the goodness or value of motives or the desirability of the ends of any act.
  • deoxyribonucleotides — Plural form of deoxyribonucleotide.
  • devil's bit scabious — a similar and related Eurasian marsh plant, Succisa pratensis
  • dewey decimal system — a frequently used system of library book classification and arrangement with ten main subject classes
  • dickless workstation — (abuse)   Extremely pejorative hackerism for "diskless workstation".
  • diels-alder reaction — the reaction in which a conjugated diene combines with a double or triple bond of a given compound to form a ring of six carbon atoms.
  • difference threshold — the minimum difference between two stimuli that is just detectable by a person
  • differential housing — the casing that houses the differential of a motor vehicle
  • digital data service — (communications)   (DDS) The class of service offered by telecommunications companies for transmitting digital data as opposed to voice.
  • digital service unit — data service unit
  • diisobutyl phthalate — a clear, colorless liquid, C 14 H 26 O 4 , used chiefly as a plasticizer for nitrocellulose.
  • dimensional analysis — a method for comparing the dimensions of the physical quantities occurring in a problem to find relationships between the quantities without having to solve the problem completely. Compare dimension (def 6).
  • diophantine analysis — any of several methods for finding integral solutions for equations with more than one variable whose coefficients are integers.
  • diplomatic secretary — secretary (def 5).
  • diplomatic-secretary — secretary (def 5).
  • disability allowance — an amount of money paid by the government to people who are unable to work because of a disability. This is a general term or, in the UK, a shorter way of referring to what is officially called the Disability Living Allowance
  • disability insurance — insurance providing income to a policyholder who is disabled and cannot work.
  • disciplinary hearing — a hearing at which the conduct of a member of an organization, profession etc is examined and a punishment may be handed down
  • discounted cash flow — a technique for appraising an investment that takes into account the different values of future returns according to when they will be received
  • diskless workstation — (computer, networking)   A personal computer or workstation which has neither a hard disk nor floppy disk drive and which performs all file access via a local area network connection to a file server. The lowest level bootstrap code is stored in non-volatile storage. This uses a simple protocol such as BOOTP to request and download more sophisticated boot code and eventually, the operating system. The archtypal product was the 3Station developed by Bob Metcalfe at 3Com. Another example was the Sun 3/50. Diskless workstations are ideal when many users are running the same application. They are small, quiet, more reliable than products with disks, and help prevent both the theft of data and the introduction of viruses since the software and data available on them is controlled by the network administrator or system administrator. They do however rely on a server which becomes a disadvantage if it is heavily loaded or down. See also breath-of-life packet.
  • displacement current — the rate of change, at any point in space, of electric displacement with time.
  • displacement tonnage — the number of long tons of water displaced by a vessel, light or load displacement being specified.
  • distribution channel — trade: retailer
  • distributive lattice — (theory)   A lattice for which the least upper bound (lub) and greatest lower bound (glb) operators distribute over one another so that a lub (b glb c) == (a lub c) glb (a lub b) and vice versa. ("lub" and "glb" are written in LateX as \sqcup and \sqcap).
  • district high school — a school in a rural area that includes primary and post-primary classes
  • district of columbia — a federal area in the E United States, on the Potomac, coextensive with the federal capital, Washington. 69 sq. mi. (179 sq. km). Abbreviation: DC (for use with zip code), D.C.
  • diverticular disease — any disease of the colon involving the presence of diverticula
  • doctor of philosophy — Also called doctorate. the highest degree awarded by a graduate school, usually to a person who has completed at least three years of graduate study and a dissertation approved by a board of professors.
  • domestic heating oil — a liquid petroleum product used to fuel residential building furnaces or boilers
  • double decomposition — a reaction whose result is the interchange of two parts of two substances to form two new substances, as AgNO 3 + NaCl → AgCl + NaNO 3 .
  • drink with the flies — to drink alone
  • drug delivery system — A drug delivery system is a system that is used as a medium or carrier for administering a pharmaceutical product to a patient.
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