12-letter words containing a, u, d, i, e
- quadriplegic — a person with quadriplegia.
- quadrisected — Simple past tense and past participle of quadrisect.
- quadrivalent — having a valence of four; tetravalent.
- quasi-feudal — of, relating to, or of the nature of a fief or fee: a feudal estate.
- quidditative — Alternative form of quiddative.
- quinacridone — Any of a group of synthetic organic compounds whose molecules contain three benzene and two pyridine rings arranged alternately. They include a number of red to violet pigments.
- quindecagons — Plural form of quindecagon.
- quindecaplet — a group of 15
- quinquenniad — a period of five years, quinquennium
- race suicide — the extinction of a racial or ethnic population that tends to result when, through the unwillingness or forbearance of its members to have children, the birthrate falls below the death rate.
- radio source — a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.
- radiolucency — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- radionuclide — a radioactive nuclide.
- re-educative — of or relating to re-education
- reacquainted — to make more or less familiar, aware, or conversant (usually followed by with): to acquaint the mayor with our plan.
- readjudicate — to pronounce or decree by judicial sentence.
- reattributed — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- recirculated — to move in a circle or circuit; move or pass through a circuit back to the starting point: Blood circulates throughout the body.
- refoundation — an act of refounding
- regurgitated — to give back or repeat, especially something not fully understood or assimilated: to regurgitate the teacher's lectures on the exam.
- res judicata — a thing adjudicated; a case that has been decided.
- revictualled — victuals, food supplies; provisions.
- rideau canal — a waterway in SE Ontario, Canada, connecting the Ottawa Riverin Ottawa to Lake Ontario in Kingston. 125 miles (202 km) long.
- road haulier — a person who owns or works for a road haulage company; a trucker
- ruling grade — the steepest grade on a given stretch of track, which determines the maximum tonnage that can be hauled in a train having a given horsepower at a stated minimum speed.
- running head — a descriptive word, phrase, title, or the like, usually repeated at the top of each page of a book, periodical, etc.
- rutlandshire — a former county, now part of Leicestershire, in central England.
- sapindaceous — belonging to the Sapindaceae, the soapberry family of plants.
- sendai virus — a paramyxovirus that tends to cause cell fusion: in inactive form, used in biological research to produce cells with multiple nuclei of different genetic constitutions.
- slide guitar — bottleneck (def 3).
- sodium amide — a white, crystalline, water-insoluble, flammable powder, NaNH 2 , used chiefly in the manufacture of sodium cyanide and in organic synthesis.
- sounion head — the tip of the Attica peninsula, E central Greece: site of ancient temple ruins.
- spade guinea — a guinea decorated with a spade-shaped shield, coined during the reign of George III
- squared ring — boxing ring.
- sub-additive — something that is added, as one substance to another, to alter or improve the general quality or to counteract undesirable properties: an additive that thins paint.
- subdiaconate — the office or dignity of a subdeacon.
- subdividable — to divide (that which has already been divided) into smaller parts; divide again after a first division.
- subduplicate — of the square root of ratios
- subeditorial — of or relating to a subeditor, the work of a subeditor or a subeditorship
- subepidermal — just below the epidermis or skin
- suberic acid — a crystalline dibasic acid, C 8 H 1 4 O 4 , obtained especially from suberin, castor oil, and cork: used chiefly in the preparation of plastics and plasticizers.
- subinfeudate — to grant (lands) by subinfeudation
- subordinated — placed in or belonging to a lower order or rank.
- sugar glider — a gliding possum, Petaurus breviceps, inhabiting open forests of New Guinea, Tasmania, and Australia.
- suicide pact — an agreement between two or more people to commit suicide together.
- sulfadiazine — a sulfanilamide derivative, C 1 0 H 1 0 N 4 O 2 S, used chiefly in the treatment of urinary tract infections, meningitis, and malaria.
- sulfarsenide — any compound containing an arsenide and a sulfide.
- sulphadoxine — an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, and in combination with various drugs to treat certain infections
- sulphonamide — any of a class of organic compounds that are amides of sulphonic acids containing the group –SO2NH2 or a group derived from this. An important class of sulphonamides are the sulfa drugs
- superordinal — relating to the superorder