13-letter words containing a, d, i
- cyberchondria — unfounded anxiety concerning the state of one's health brought on by visiting health and medical websites
- cyclamic acid — a white crystalline solid, C 6 H 13 NSO 3 , the salts of which are referred to as cyclamates: used as an acidulant.
- cycloaddition — a type of pericyclic chemical reaction
- cyclodialysis — a surgical procedure in the treatment of glaucoma whereby an opening is created between the anterior chamber and the suprachoroidal space in order to alleviate pressure
- cylinder head — the detachable metal casting that fits onto the top of a cylinder block. In an engine it contains part of the combustion chamber and in an overhead-valve four-stroke engine it houses the valves and their operating mechanisms
- cylinder seal — a cylindrical seal of stone, clay, or precious stone decorated with linear designs, found in the Middle East and Balkans: dating from about 6000 bc
- cylindraceous — having a form similar to a cylinder
- cylindrically — In the manner of a cylinder.
- cytodiagnosis — the diagnosis of disease through the study of cells in the body
- dabbling duck — any of numerous shallow-water ducks, especially of the genus Anas, that typically feed by upending and dabbling (contrasted with diving duck).
- dactyliomancy — the use of a suspended finger-ring for divination
- dactylozooids — Plural form of dactylozooid.
- daily-breader — a commuter.
- dairy factory — a factory making butter, cheese, lactose, etc from milk collected from surrounding farming areas
- dairy farming — the business of farming to produce milk and milk products
- dairy produce — food derived from or containing milk and its derivatives
- daman and diu — a union territory in W India: formerly a district of Portuguese India (1559–1961) then part of the union territory of Goa, Daman, and Diu (1961–87). Area: 112 sq km (43 sq miles). Pop: 158 059 (2001)
- dame's violet — a Eurasian hairy perennial plant, Hesperis matronalis, cultivated in gardens for its mauve or white fragrant flowers: family Brassicaceae (crucifers)
- damnification — That which causes damage or loss.
- dancing class — a meeting of a group of student dancers for tuition in dancing
- dancing shoes — shoes worn by dancers
- dandification — The condition or state of a man who is overly concerned about his clothes and appearance.
- danger signal — any type of signal that indicates danger
- dangleberries — Plural form of dangleberry.
- danish pastry — Danish pastries are cakes made from sweet pastry. They are often filled with things such as apple or almond paste.
- dare i say it — You use 'dare I say it' when you know that what you are going to say will disappoint or annoy someone.
- dark internet — Also called dark Net, lost Net. the portion of the Internet that is hidden from search engines and cannot be accessed, as because the IP address is no longer working.
- dark reaction — the stage of photosynthesis involving the reduction of carbon dioxide and the dissociation of water, using chemical energy stored in ATP: does not require the presence of light
- darling downs — a plateau in NE Australia, in SE Queensland: a vast agricultural and stock-raising area
- darling range — a ridge in SW Western Australia, parallel to the coast. Highest point: about 582 m (1669 ft)
- darling river — a river in SE Australia, rising in the Eastern Highlands and flowing southwest to the Murray River. Length: 2740 km (1702 miles)
- das rheingold — an opera by Wagner (1869), one of four in a cycle based on the German myth of the Ring of the Nibelung
- dasht-e-kavir — large salt-desert plateau in NC Iran: c. 18,000 sq mi (46,620 sq km)
- dasht-i-kavir — a salt waste on the central plateau of Iran: a treacherous marsh beneath a salt crust
- dastardliness — The state or quality of being dastardly.
- data modeling — (spelling) US spelling of "data modelling".
- data security — the protection of data stored on computers
- data striping — (storage) Segmentation of logically sequential data, such as a single file, so that segments can be written to multiple physical devices (usually disk drives) in a round-robin fashion. This technique is useful if the processor is capable of reading or writing data faster than a single disk can supply or accept it. While data is being transferred from the first disk, the second disk can locate the next segment. Data striping is used in some modern databases, such as Sybase, and in certain RAID devices under hardware control, such as IBM's RAMAC array subsystem (9304/9395). Data striping is different from, and may be used in conjunction with, mirroring.
- dataveillance — the surveillance of a person's activities by studying the data trail created by actions such as credit card purchases, mobile phone calls, and internet use
- date of birth — Your date of birth is the exact date on which you were born, including the year.
- dating agency — an agency that provides introductions to people seeking a companion with similar interests
- day and night — If something happens day and night or night and day, it happens all the time without stopping.
- day blindness — hemeralopia.
- day of infamy — December 7, 1941, on which Japan attacked Pearl Harbor, bringing the United States into World War II: so referred to by President Franklin D. Roosevelt in his speech to Congress the next day, asking for a declaration of war on Japan.
- daydreamingly — While daydreaming.
- daylight lamp — a lamp whose light has a range of wavelengths similar to that of natural sunlight
- daylight time — time set usually one hour ahead of the local standard time, widely adopted in the summer to provide extra daylight in the evening
- de-annexation — the act or an instance of annexing, or adding to something larger, especially the incorporation of new territory into the domain of a city, country, or state.
- de-capitalize — to deprive of capital; discourage capital formation; withdraw capital from: The government decapitalized industry with harsh tax policies.
- de-excitation — to cause (an atom) to fall from an excited energy level to a lower energy level.