13-letter words containing d, a, y
- cyanuric acid — a white crystalline powder commonly used to stabilize chlorine in swimming pools. Formula C3H3N3O3
- 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
- dactyliomancy — the use of a suspended finger-ring for divination
- dactylography — the scientific study of fingerprints for purposes of identification
- dactylomegaly — abnormal enlargement of the fingers or toes.
- dactylozooids — Plural form of dactylozooid.
- daguerreotype — one of the earliest photographic processes, in which the image was produced on iodine-sensitized silver and developed in mercury vapour
- daguerreotypy — The art or technique of producing daguerreotypes.
- daguerrotypes — Plural form of daguerrotype, a misspelling of daguerreotype.
- 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
- dalton system — a method of progressive education whereby students contract to carry through on their own responsibility the year's work as divided up into monthly assignments.
- damage survey — an inspection by an insurance company of something that has been damaged and for which an insurance claim has been made, in order to determine the extent and cause of damage
- dance company — a group of dancers, usually including business and technical personnel
- dance therapy — the use of dance or movement for therapeutic purposes; a form of therapy in which people are encouraged to express their feelings through dance or movement.
- 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.
- data security — the protection of data stored on computers
- dating agency — an agency that provides introductions to people seeking a companion with similar interests
- day after day — If something happens day after day, it happens every day without stopping.
- 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
- days of grace — days permitted by custom for payment of a promissory note, bill of exchange, etc, after it falls due
- daytona beach — a city in NE Florida, on the Atlantic: a resort with a beach of hard white sand, used since 1903 for motor speed trials. Pop: 64 581 (2003 est)
- deacetylation — to remove the acetyl group from (an organic compound).
- death penalty — The death penalty is the punishment of death used in some countries for people who have committed very serious crimes.
- decarbonylate — to remove the carbonyl group from (an organic compound).
- decarboxylase — an enzyme that catalyses the removal of carbon dioxide from a compound
- decarboxylate — to take away a carboxyl group from (an organic compound) or (of an organic compound) to lose a carboxyl group
- decasyllables — Plural form of decasyllable.
- declaratively — serving to declare, make known, or explain: a declarative statement.
- declassifying — Present participle of declassify.
- defeasibility — capable of being annulled or terminated.
- defendability — (uncountable) The condition of being defendable.
- deferentially — showing deference; deferent; respectful.
- deformability — Deformability is the degree to which applying a force can make a particle or solid change shape.