12-letter words containing d, e, s, p, o, r
- postgraduate — of, pertaining to, characteristic of, or consisting of post-graduates: a postgraduate seminar.
- postmeridian — of or relating to the afternoon.
- powder chest — a small wooden box containing a charge of powder, old nails, scrap iron, etc., formerly secured over the side of a ship and exploded on the attempt of an enemy to board.
- powder flask — a small flask of gunpowder formerly carried by soldiers and hunters.
- 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-discount — to deduct a certain amount from (a bill, charge, etc.): All bills that are paid promptly will be discounted at two percent.
- 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.
- 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.
- prediscourse — communication of thought by words; talk; conversation: earnest and intelligent discourse.
- prediscovery — a previous discovery
- predisposing — to give an inclination or tendency to beforehand; make susceptible: Genetic factors may predispose human beings to certain metabolic diseases.
- prednisolone — a synthetic glucocorticoid, C 2 1 H 2 8 O 5 , used in various forms to treat inflammation and allergies and in the treatment of acute leukemia, Hodgkin's disease, and lymphomas.
- preset board — a control board for setting up theatrical lighting switches and dimmer readings in advance so that during a performance the lights can be automatically operated for one or several scenes.
- pretensioned — (in prestressed-concrete construction) to apply tension to (reinforcing strands) before the concrete is poured. Compare posttension (def 1).
- proboscidate — having a proboscis.
- proboscidean — pertaining to or resembling a proboscis.
- process data — data processing
- producer gas — a mixture of carbon monoxide and nitrogen produced by passing air over hot coke, used mainly as a fuel
- profoundness — penetrating or entering deeply into subjects of thought or knowledge; having deep insight or understanding: a profound thinker.
- promuscidate — shaped like a proboscis
- pseudamphora — a Mycenaean vase having a spherical body, a spout on the shoulder, and a handle, curving across the top, supported by a solid conical neck.
- pseudo force — any force that is postulated to account for apparent deviations from Newton's laws of motion appearing in an accelerated reference system.
- pseudocereal — any of several plants, as buckwheat and quinoa, that produce fruits and seeds used as flour but are not of the grass family.
- pseudography — writing that does not follow conventional spelling or usage
- pseudomartyr — someone falsely or inaccurately called a martyr
- 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.
- pseudorandom — noting or pertaining to random numbers generated by a definite computational process to satisfy a statistical test.
- pseudoscalar — a scalar quantity that changes sign when the sense of the orientation of the coordinate system is changed.
- pseudosphere — a surface generated by revolving a tractrix about its asymptote.
- pseudovector — a variable quantity, such as angular momentum, that has magnitude and orientation with respect to an axis. The components are even functions of the coordinates
- pteridosperm — seed fern.
- 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.
- re-deposited — to place for safekeeping or in trust, especially in a bank account: He deposited his paycheck every Friday.
- redemptorist — a member of the “Congregation of the Most Holy Redeemer,” founded by St. Alphonsus Liguori in 1732.
- redispose of — to dispose of again
- 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
- rhabdosphere — a minute sphere made up of rhabdoliths
- road sweeper — a person who sweeps roads
- scolopendrid — any myriapod of the order Scolopendrida, including many large, poisonous centipedes.
- scraperboard — scratchboard.
- self-powered — (of a machine, vehicle, etc.) having a specified fuel or prime mover: a gasoline-powered engine; an engine-powered pump.
- shadow price — the calculated price of a good or service for which no market price exists
- shepherd boy — male child who herds sheep
- shepherd dog — sheepdog.
- shop steward — commerce: union rep
- shoulder pad — clothing: insert in shoulder
- siderography — the art or technique of engraving on steel.
- siderophilic — having characteristics of siderophile
- sleep around — to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake.