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17-letter words containing t, r, y

  • cover your tracks — If someone covers their tracks, they hide or destroy evidence of their identity or their actions, because they want to keep them secret.
  • cracking severity — Cracking severity is the temperature used in a cracking process to yield a product, higher temperatures being used to produce ethane and benzene, and lower temperatures to produce propene and liquid products.
  • cryopreservations — the storage of blood or living tissues at extremely cold temperatures, often -196 degrees Celsius.
  • cryptic crossword — a crossword where each clue is a word puzzle
  • cryptoclimatology — See under microclimatology.
  • cryptocrystalline — (of rocks) composed of crystals that can be distinguished individually only by the use of a polarizing microscope
  • cryptographically — In a cryptographic manner; using cryptography; for cryptographic purposes.
  • cryptosporidiosis — a disease caused by protozoan parasites of the genus Cryptosporidium, characterized by fever and gastrointestinal symptoms and typically spread via contaminated drinking water.
  • cyclooctatetraene — a colorless, flammable liquid cyclic hydrocarbon, C 8 H 8 , used in organic research.
  • cylinder capacity — the cylinder volume that is swept by the pistons of an internal-combustion engine
  • cypriot syllabary — a syllabic script in use on Cyprus in the first millennium b.c., used for the writing of Greek and of an unknown language.
  • cyrillic alphabet — the alphabet derived from that of the Greeks, supposedly by Saint Cyril, for the writing of Slavonic languages: now used primarily for Russian, Bulgarian, and the Serbian dialect of Serbo-Croat
  • cytoarchitectonic — Of or pertaining to cytoarchitectonics (cytoarchitecture).
  • cytomegaloviruses — Plural form of cytomegalovirus.
  • cytotrophoblastic — Relating to, or containing, cytotrophoblasts.
  • defence secretary — the member of a government who is responsible for the country's armed forces
  • dehydrochlorinate — to remove hydrogen chloride or chlorine and hydrogen from (a substance).
  • delay instruction — delayed control-transfer
  • dendroclimatology — The science that uses dendrochronology to reconstruct historical climate conditions.
  • dephosphorylation — the removal of a phosphate group from an organic compound, as in the changing of ATP to ADP.
  • descending rhythm — a rhythmic pattern created by the succession of metrical feet each of which is composed of one accented syllable followed by one or more unaccented syllables.
  • despotic monarchy — absolute monarchy.
  • desynchronisation — (British spelling) Alternative form of desynchronization.
  • desynchronization — to cause to indicate the same time, as one timepiece with another: Synchronize your watches.
  • deterministically — the doctrine that all facts and events exemplify natural laws.
  • dialect geography — linguistic geography
  • diaphragmatically — By use of the diaphragm; in a diaphragmatic way.
  • dictionary attack — an attempt to hack into a computer or network by submitting every word in a dictionary as a possible password
  • dictionary-making — the work or activity of compiling dictionaries
  • diethyltryptamine — a synthetic derivative of tryptamine with hallucinogenic and psychotogenic effects. Abbreviation: DET.
  • differentiability — The ability to be differentiated.
  • dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
  • dimethylformamide — a colourless liquid widely used as a solvent and sometimes as a catalyst. Formula: (CH3)2NCHO
  • dimethylhydrazine — a flammable, highly toxic, and colorless liquid, C 2 H 8 N 2 , used as a component in jet and rocket fuels.
  • directory service — (database, networking)   A structured repository of information on people and resources within an organisation, facilitating management and communication. On a LAN or WAN the directory service identifies all aspects of the network including users, software, hardware, and the various rights and policies assigned to each. As a result applications can access information without knowing where a particular resource is physically located, and users interact oblivious to the network topology and protocols. To allow heterogeneous networks to share directory information the ITU proposed a common structure called X.500. However, its complexity and lack of seamless Internet support led to the development of Lightweight Directory Access Protocol (LDAP) which has continued to evolve under the aegis of the IETF. Despite its name LDAP is too closely linked to X.500 to be "lightweight".
  • disaster recovery — (business)   (DR) Planning and implementation of procedures and facilities for use when essential systems are not available for a period long enough to have a significant impact on the business, e.g. when the head office is blown up. Disasters include natural: fire, flood, lightning, hurricane; hardware: power failure, component failure, head crash; software failure: bugs, resources; vandalism: arson, bombing, cracking, theft; data corruption or loss: human error, media failure; communications: computer network equipment, network storm, telephones; security: passwords compromised, computer virus; legal: change in legislation; personnel: unavailability of essential staff, industrial action. Companies need to plan for disaster: before: risk analysis, preventive measures, training; during: how should staff and systems respond; after: recovery measures, post mortem analysis. Hardware can usually be replaced and is usually insured. Software and data needs to be backed up off site. Alternative communication systems should be arranged in case of network failure or inaccessible premises, e.g. emergency telephone number, home working, alternative data center.
  • display standards — display standard
  • disproportionally — not in proportion; disproportionate.
  • disrespectability — Lack of respectability.
  • district attorney — an officer who acts as attorney for the people or government within a specified district.
  • do your own thing — If you do your own thing, you live, act, or behave in the way you want to, without paying attention to convention or depending on other people.
  • downward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
  • drive-by shooting — an incident in which a person, building, or vehicle is shot at by someone in a moving vehicle
  • duality principle — the principle that a mathematical duality exists under certain conditions.
  • eastern orthodoxy — the faith, practice, membership, and government of the Eastern Orthodox Church.
  • ectopic pregnancy — the development of a fertilized ovum outside the uterus, as in a Fallopian tube.
  • edward the martyr — Saint. ?963–978 ad, king of England (975–78), son of Edgar: murdered. Feast day: March 18
  • efficiency expert — a person who studies the methods, procedures, and job characteristics of a business or factory with the object of devising ways to increase the efficiency of equipment and personnel.
  • egyptian brackets — (programming, humour)   A humourous term for K&R indent style, referring to the "one hand up in front, one down behind" pose which popular culture inexplicably associates with Egypt.
  • electricity board — a company which supplies electricity
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