17-letter words containing d, a, c, r, y
- 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.
- 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.
- 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
- 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.
- disrespectability — Lack of respectability.
- district attorney — an officer who acts as attorney for the people or government within a specified district.
- duality principle — the principle that a mathematical duality exists under certain conditions.
- dwarf huckleberry — tangleberry.
- dynamic insurance — Dynamic insurance is a type of insurance coverage where the policyholder can choose to increase benefits and premiums by a fixed percentage each year to offset the effects of inflation.
- dynamics analyzer — (language) (DYANA) An early language specialised for vibrational and other dynamic physical systems.
- early closing day — a day on which most shops in a town or area close after lunch
- electricity board — a company which supplies electricity
- emergency landing — an occasion when a place is forced to land: for example, because of a mechanical fault, bad weather, terrorism, etc.
- epicycloidal gear — a gear of an epicyclic train
- fancy dress party — a party at which the guests wear fancy dress
- 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
- gnu privacy guard —
- grey-faced petrel — a dark-coloured New Zealand petrel, Pterodroma macroptera gouldi
- haemorrhoidectomy — surgical removal of haemorrhoids
- hard rock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- homeland security — national defence
- household cavalry — (in Britain) cavalry units forming part of the ceremonial guard of the monarch.
- hybrid fiber coax — (networking) (HFC) A kind of physical connection used in networks for audio, video, and data. DVB (Digital Video Broadcast) is used in Europe and DOCSIS is used in N America.
- hydraulic circuit — a circuit through which water or another liquid, instead of electric current, flows, but which otherwise operates in the same way as an electric circuit
- hydrochloric acid — a colorless or faintly yellow, corrosive, fuming liquid, HCl, used chiefly in chemical and industrial processes.
- hydroelectrically — Using hydroelectric power.
- hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
- hydrotherapeutics — hydrotherapy.
- hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
- hypochondriacally — In a hypochondriacal manner.
- ideogrammatically — In terms of, or by means of, ideograms.
- idiosyncratically — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- incendiary device — a bomb that is designed to start fires
- indecipherability — Quality of being indecipherable.
- interdisciplinary — combining or involving two or more academic disciplines or fields of study: The economics and history departments are offering an interdisciplinary seminar on Asia.
- keyboard commando — (messaging) A bulletin board user who posts authoritatively on military or combat topics, but who has never served in uniform or heard a shot fired in anger. A poseur.
- lead acid battery — A lead acid battery is a 12-volt battery for passenger cars and light commercial vehicles consisting of lead-acid cells in series.