19-letter words containing t, d, c
- country-and-western — country music.
- court correspondent — (in Britain) a journalist who covers stories about the royal family
- creative department — the department of a company or organization responsible for the design and creation of advertisements and marketing materials
- credit default swap — a contract in which the parties exchange the exposure to loss should a creditor fail to make a payment when it comes due back
- credit someone with — to believe that someone has or is responsible for; ascribe to someone
- crystallized fruits — fruits that are covered in sugar which is melted and then allowed to harden
- crystallized ginger — sugar-coated ginger
- cuboidal epithelium — epithelium consisting of one or more layers of cells of cuboid or polyhedral shape.
- culler-fried system — A system for interactive mathematics.
- cultivated mushroom — an edible mushroom (Agaricus bisporus) with a pale cap and stalk: the most common food mushroom
- cumulative evidence — additional evidence reinforcing testimony previously given
- current expenditure — expenditure taking place within the financial year in question
- customs declaration — a form declaring the nature and value of goods, etc, for customs purposes
- dance attendance on — to be always near so as to wait on, lavish attention on, etc.
- dangling participle — a participle intended to modify a noun but having the wrong grammatical relationship to it as for example having left in the sentence Having left Europe for good, Peter's future seemed bleak indeed
- data driven machine — (language) (DDM) A dataflow language.
- data encryption key — (DEK) Used for the encryption of message text and for the computation of message integrity checks (signatures). See cryptography.
- data link switching — (networking) (DLSw) A standard for transporting IBM Systems Network Architecture (SNA) and network basic input/output system (NetBIOS) traffic over an Internet protocol network. Initially, in 1992, DLSw was proprietary to IBM. It was submitted to the IETF as RFC 1434 in 1993, later updated by RFC 1795.
- data protection act — (legal) (DPA) A UK law guaranteeing rights to individuals in relation to personal data that others hold on them. For example, under the DPA, you have the right to see what data a company holds on you.
- de-compartmentalize — to divide into categories or compartments.
- deacetyltransferase — (enzyme) Any of a class of enzymes that remove acetyl groups, especially from a lysine residue of a histone.
- deaf without speech — (usually of a prelingually deaf person) able to utter sounds but not speak
- deathbed confession — a confession that somebody makes just before he or she dies, usually relating to some long concealed crime or secret
- 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.
- defence expenditure — the amount that a country spends on military measures or resources
- deficiency judgment — a judgment in favor of a mortgagee for the remainder of a debt not completely cleared by foreclosure and sale of the mortgaged property
- deflate compression — deflate
- dental receptionist — a receptionist working in a dental surgery
- deoxycorticosterone — a corticosteroid hormone important in maintaining sodium and water balance in the body
- deoxyribonucleotide — an ester of a deoxyribonucleoside and phosphoric acid; a constituent of DNA.
- department chairman — the chairman of a university department
- 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
- dereliction of duty — Dereliction of duty is deliberate or accidental failure to do what you should do as part of your job.
- descriptive grammar — an approach to grammar that is concerned with reporting the usage of native speakers without reference to proposed norms of correctness or advocacy of rules based on such norms.
- detective constable — a police officer who investigates crime and who is of the lowest rank
- detective inspector — a police officer who investigates crime and who ranks above a detective sergeant but below a detective chief inspector
- 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
- diamond ring effect — a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon.
- dictionary of names — a dictionary of given names that indicates whether a name is usually male, female, or unisex and often includes origins as well as meanings; for example, as by indicating that Evangeline, meaning “good news,” comes from Greek. Used primarily as an aid in selecting a name for a baby, dictionaries of names may also include lists of famous people who have shared a name and information about its current popularity ranking.
- 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.
- dielectric strength — the maximum voltage that can be applied to a given material without causing it to break down, usually expressed in volts or kilovolts per unit of thickness.
- difference equation — (mathematics) A relation between consecutive elements of a sequence. The first difference is D u(n) = u(n+1) - u(n) where u(n) is the nth element of sequence u. The second difference is u(n+2) + a u(n+1) + b u(n) = 0 can be converted to a difference equation (in this case, a second order linear difference equation): D2 u(n) + p D u(n) + q u(n) = 0 and vice versa. a, b, p, q are constants.
- 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.
- diffraction grating — a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra.
- diffraction pattern — the phenomenon exhibited by wave fronts that, passing the edge of an opaque body, are modulated, thereby causing a redistribution of energy within the front: it is detectable in light waves by the presence of a pattern of closely spaced dark and light bands (diffraction pattern) at the edge of a shadow.
- 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.
- dihydrostreptomycin — an antibiotic, C 21 H 41 N 7 O 12 , derived by organic synthesis from and believed to be less toxic than streptomycin: used in the form of its sulfate chiefly in the treatment of tuberculosis.