17-letter words containing d, a, y, o
- cyanogen chloride — a colorless, volatile, poisonous liquid, CNCl, used chiefly in the synthesis of compounds containing the cyano group.
- damon and pythias — two friends noted for their mutual loyalty. Damon offered himself as a hostage for Pythias, who was to be executed for treason by Dionysius of Syracuse. When Pythias returned to save his friend's life, he was pardoned
- dehydrochlorinase — an enzyme that catalyzes the removal of hydrogen and chlorine atoms or ions from chlorinated hydrocarbons.
- dehydrochlorinate — to remove hydrogen chloride or chlorine and hydrogen from (a substance).
- delay instruction — delayed control-transfer
- demythologization — The act of demythologizing, or something demythologized.
- dendroarchaeology — (archaeology) the science that uses dendrochronology to date wooden material from archaeological sites.
- dendroclimatology — The science that uses dendrochronology to reconstruct historical climate conditions.
- deoxyribonuclease — DNase.
- dephosphorylation — the removal of a phosphate group from an organic compound, as in the changing of ATP to ADP.
- desaix de veygoux — Louis Charles Antoine [lwee sharl ahn-twan] /lwi ʃærl ɑ̃ˈtwan/ (Show IPA), 1768–1800, French general.
- 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.
- dialect geography — linguistic geography
- dialectologically — In terms of dialectology.
- dicarboxylic acid — any carboxylic acid that contains two carboxyl groups per molecule
- 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
- 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
- diphenylhydantoin — a white, slightly water-soluble powder, C 15 H 11 N 2 O 2 , used in the form of its sodium salt to prevent or arrest convulsions in epilepsy.
- disadvantageously — In a disadvantageous manner.
- 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.
- disproportionally — not in proportion; disproportionate.
- district attorney — an officer who acts as attorney for the people or government within a specified district.
- dog and pony show — an elaborate sales, advertising, or publicity presentation or campaign.
- dollar a year man — of or being an official or employee, especially a federal appointee, who receives a token annual salary, usually of one dollar: a dollar-a-year man.
- double pair royal — a set of four cards of the same denomination, worth 12 points.
- 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.
- downwardly mobile — See under vertical mobility (def 1).
- downwardly-mobile — See under vertical mobility (def 1).
- dress-down friday — In some companies employees are allowed to wear clothes that are less smart than usual on a Friday. This day is known as a dress-down Friday.
- drive-by download — an incidence of an unwanted program being automatically downloaded to a computer, often without the user's knowledge
- dynamic execution — (processor) A combination of techniques - multiple branch prediction, data flow analysis and speculative execution. Intel implemented Dynamic Execution in the P6 after analysing the execution of billions of lines of code.
- early closing day — a day on which most shops in a town or area close after lunch
- eastern orthodoxy — the faith, practice, membership, and government of the Eastern Orthodox Church.
- electricity board — a company which supplies electricity
- embroidery thread — a thread used for embroidery
- epicycloidal gear — a gear of an epicyclic train
- epidemiologically — With regard to epidemiology.
- ethinyloestradiol — Alternative form of ethinylestradiol.
- extraordinary ray — the plane-polarized ray of light that does not obey the laws of refraction in a doubly refracting crystal
- floating dry dock — a dock that floats and can be lowered in the water for the entrance of a ship, and then raised for use as a dry dock
- forever and a day — without ever ending; eternally: to last forever.
- four-rowed barley — a class of barley having, in each spike, six rows of grain, with two pairs of rows overlapping.
- free-body diagram — A free-body diagram is a diagram of a structure in which all supports are replaced by forces.
- front-end payment — a payment required or incurred in advance of a project in order to get it under way
- go by the wayside — to be put aside on account of something more urgent
- guardhouse lawyer — a person in military service, especially an inmate of a guardhouse or brig, who is or claims to be an authority on military law, regulations, and soldiers' rights.