12-letter words containing s, i, d, e, p, a
- postdeadline — the time by which something must be finished or submitted; the latest time for finishing something: a five o'clock deadline.
- postmedieval — occurring or existing after the Middle Ages, of or related to the period after the Middle Ages
- postmeridian — of or relating to the afternoon.
- praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
- pre-assigned — Law. to transfer: to assign a contract.
- pre-disaster — a calamitous event, especially one occurring suddenly and causing great loss of life, damage, or hardship, as a flood, airplane crash, or business failure.
- preadmission — (in a reciprocating engine) admission of steam or the like to the head of the cylinder near the end of the stroke, as to cushion the force of the stroke or to allow full pressure at the beginning of the return stroke.
- predesignate — to designate beforehand.
- predestinate — Theology. to foreordain by divine decree or purpose.
- prediagnosis — Medicine/Medical. the process of determining by examination the nature and circumstances of a diseased condition. the decision reached from such an examination. Abbreviation: Dx.
- predischarge — of or pertaining to the period prior to discharge, esp prior to discharge from hospital or from employment
- presidential — of or relating to a president or presidency.
- proboscidate — having a proboscis.
- proboscidean — pertaining to or resembling a proboscis.
- promuscidate — shaped like a proboscis
- pseudoanemia — Pathology. a quantitative deficiency of the hemoglobin, often accompanied by a reduced number of red blood cells and causing pallor, weakness, and breathlessness.
- pseudopodial — a temporary protrusion of the protoplasm, as of certain protozoans, usually serving as an organ of locomotion or prehension.
- pseudorabies — a highly contagious, usually fatal disease of cattle, sheep, and other animals, caused by the herpesvirus Herpes suis, and characterized by severe pruritus and progressive central nervous system involvement sometimes including an aggressive excitement phase.
- radioisotope — a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
- rapeseed oil — a brownish-yellow oil obtained by expression from rapeseed and used chiefly as a lubricant, an illuminant, and in the manufacture of rubber substitutes.
- reemphasized — to give emphasis to; lay stress upon; stress: to emphasize a point; to emphasize the eyes with mascara.
- respondentia — a loan upon a ship's cargo, which is repaid with interest if the ship reaches its destination, and if the ship does not, the loan is not repaid
- saddle point — a point at which a function of two variables has partial derivatives equal to zero but at which the function has neither a maximum nor a minimum value.
- safe-deposit — providing safekeeping for valuables: a safe-deposit vault.
- sandpapering — the act or process of polishing or grinding a surface with or as if with sandpaper
- sapindaceous — belonging to the Sapindaceae, the soapberry family of plants.
- seed capital — small sum invested in new business
- send packing — to dismiss peremptorily
- shadow price — the calculated price of a good or service for which no market price exists
- sharp-witted — having or showing mental acuity; intellectually discerning; acute.
- siderography — the art or technique of engraving on steel.
- snake-hipped — having thin, sinuous hips.
- spade guinea — a guinea decorated with a spade-shaped shield, coined during the reign of George III
- spearheading — the sharp-pointed head that forms the piercing end of a spear.
- speed dating — an organized social event in which participants have one-on-one conversations typically limited to less than ten minutes, for the purpose of meeting people they would like to date.
- speedballing — the practice of taking cocaine and heroin together intravenously
- 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.
- spit-roasted — cooked on a spit
- spotted tail — (Sinte-galeshka) 1833?–81, Brulé Sioux leader.
- 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.
- subduplicate — of the square root of ratios
- subepidermal — just below the epidermis or skin
- 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