17-letter words containing l, a, d, y
- deadly nightshade — a poisonous Eurasian solanaceous plant, Atropa belladonna, having dull purple bell-shaped flowers and small very poisonous black berries
- 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).
- delaney amendment — an amendment to the U. S. Food, Drug and Cosmetic Act banning the use of carcinogenic food additives, as certain artificial sweeteners and food colorings.
- 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.
- deterministically — the doctrine that all facts and events exemplify natural laws.
- dialect geography — linguistic geography
- dialectologically — In terms of dialectology.
- diaphragmatically — By use of the diaphragm; in a diaphragmatic way.
- dibutyl phthalate — a colorless oily liquid, C 16 H 22 O 4 , insoluble in water, used as a solvent, insect repellent, and plasticizer.
- dicarboxylic acid — any carboxylic acid that contains two carboxyl groups per molecule
- diethyltryptamine — a synthetic derivative of tryptamine with hallucinogenic and psychotogenic effects. Abbreviation: DET.
- differentiability — The ability to be differentiated.
- 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.
- diphenylacetylene — tolan.
- 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.
- disability clause — a clause in a life-insurance policy providing for waiver of premium and sometimes payment of monthly income if the policyholder becomes totally and permanently disabled.
- disadvantageously — In a disadvantageous manner.
- display standards — display standard
- disproportionally — not in proportion; disproportionate.
- disrespectability — Lack of respectability.
- 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).
- drive-by download — an incidence of an unwanted program being automatically downloaded to a computer, often without the user's knowledge
- duality principle — the principle that a mathematical duality exists under certain conditions.
- dwarf huckleberry — tangleberry.
- dynamically typed — dynamic typing
- 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
- epidemiologically — With regard to epidemiology.
- ethinyloestradiol — Alternative form of ethinylestradiol.
- eupen and malmédy — a region of Belgium in Liège province: ceded by Germany in 1919. Pop: 29 372 (2004 est)
- exemplary damages — law: fine imposed as a deterrent
- feasibility study — (systems analysis) Part of the systems develpment life cycle which aims to determine whether it is sensible to develop some system. The most popular model of feasibility study is "TELOS", standing for Technical, Economic, Legal, Operational, Schedule. Technical Feasibility: does the technology exist to implement the proposed system? Is it a practical proposition? Economic Feasibility: is the system cost-effective? Do benefits outweigh costs? Legal Feasibility: is there any conflict between the proposed system and legal requirements, e.g. the Data Protection Act? Operational Feasibility: are the current work practices and procedures adequate to support the new system? Schedule Feasibility: can the system be developed in time? After the feasibility study, the requirements analysis should be carried out.
- 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
- four-rowed barley — a class of barley having, in each spike, six rows of grain, with two pairs of rows overlapping.
- game as ned kelly — extremely brave; indomitable
- grey-faced petrel — a dark-coloured New Zealand petrel, Pterodroma macroptera gouldi