12-letter words containing p, d, a
- speedboating — the act, practice, or sport of traveling in a speedboat.
- speedskating — a form of ice skating in which contestants race against each other or the clock over various distances
- spermaticide — spermicide.
- spermatocide — spermicide.
- spermatozoid — a motile male gamete produced in an antheridium.
- spider plant — Also called ribbon plant. a plant, Chlorophytum comosum, of the lily family, native to southern Africa, that has long, narrow leaves and clusters of white flowers and is widely cultivated as a houseplant.
- spina bifida — a congenital neural tube defect in which part of the meninges or spinal cord protrudes through the spinal column, often resulting in neurological impairment.
- spinal fluid — cerebrospinal fluid
- spiny lizard — any of numerous iguanid lizards of the genus Sceloporus, common in North and Central America, usually having keeled scales that may end in a sharp point.
- spiral-bound — having a spiral binding.
- spit-roasted — cooked on a spit
- splash guard — a large flap behind a rear tire to prevent mud, water, etc., from being splashed on the following vehicle.
- sponged ware — spongeware.
- sporadically — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- spotted cavy — paca.
- spotted tail — (Sinte-galeshka) 1833?–81, Brulé Sioux leader.
- spread eagle — the representation of an eagle with outstretched wings, used as an emblem of the US
- spread-eagle — having or suggesting the form of a spread eagle.
- spreadeagled — Someone who is spreadeagled is lying with their arms and legs spread out.
- spud-bashing — the task of peeling potatoes, given as a punishment
- stamp dealer — someone who buys and sells postage stamps (to collectors)
- stand up for — (of a person) to be in an upright position on the feet.
- standing cup — a tall decorative cup of the Middle Ages and Renaissance, having a raised cover.
- standpattism — belief in or the practice of resisting or refusing to accept change, especially in politics.
- stapedectomy — a microsurgical procedure to relieve deafness by replacing the stapes of the ear with a prosthetic device.
- steel-plated — covered with steel
- stepdaughter — a daughter of one's husband or wife by a previous marriage.
- stride piano — a style of jazz piano playing in which the right hand plays the melody while the left hand plays a single bass note or octave on the strong beat and a chord on the weak beat, developed in Harlem during the 1920s, partly from ragtime piano playing.
- striped bass — an important American game fish, Morone saxatilis, having blackish stripes along each side.
- student lamp — a table lamp whose light source can be adjusted in height.
- subduplicate — of the square root of ratios
- subepidermal — just below the epidermis or skin
- sudoriparous — producing or secreting sweat.
- suicide pact — an agreement between two or more people to commit suicide together.
- 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
- sunday paper — a newspaper which is only published on Sundays
- sunday punch — Boxing. the most powerful and effective punch of a boxer, especially the punch used in trying to gain a knockout.
- supercharged — equipped with a supercharger.
- supermundane — above and beyond the nature or character of the worldly or terrestrial.
- superordinal — relating to the superorder
- superstardom — a person, as a performer or athlete, who enjoys wide recognition, is esteemed for exceptional talent, and is eagerly sought after for his or her services.
- support band — a band, pop group, rock group, etc not topping the bill
- supramundane — transcending the world
- swap trading — a contract in which the parties to it exchange liabilities on outstanding debts in trading
- synadelphite — an arsenate containing manganese and aluminium
- table tripod — a low mount or stand for a camera.
- tape editing — the process of putting the various segments of a master video or audio tape into a predetermined sequence: usually done electronically.
- the departed — the dead person or dead persons
- the dustheap — obscurity or oblivion