12-letter words containing o, p, e, d, a
- providential — of, relating to, or resulting from divine providence: providential care.
- 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.
- pseudoallele — a false allele
- pseudoanemia — Pathology. a quantitative deficiency of the hemoglobin, often accompanied by a reduced number of red blood cells and causing pallor, weakness, and breathlessness.
- 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
- 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.
- 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.
- pteridomania — an excessive enthusiasm for ferns
- pteroic acid — a crystalline acid found in spinach
- put to death — the act of dying; the end of life; the total and permanent cessation of all the vital functions of an organism. Compare brain death.
- pyridoxamine — a metabolic form of pyridoxine
- pyritohedral — of or relating to a pyritohedron
- radiographer — X-ray technician
- radioisotope — a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- railroad pen — a ruling pen for drawing two parallel lines.
- 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.
- read up (on) — to become well informed (about) by reading
- readaptation — the act of adapting.
- reciprocated — to give, feel, etc., in return.
- repeat order — request to buy sth 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
- ripe old age — advanced age
- road sweeper — a person who sweeps roads
- 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.
- sapindaceous — belonging to the Sapindaceae, the soapberry family of plants.
- scraperboard — scratchboard.
- shadow price — the calculated price of a good or service for which no market price exists
- shop steward — commerce: union rep
- shoulder pad — clothing: insert in shoulder
- siderography — the art or technique of engraving on steel.
- 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.
- sloped roman — a roman (vertical) typeface, usually sans serif, i.e. without the small, decorative, terminal strokes with which some typefaces are designed. The typeface is made to slope (usually to the right), but not generally to the same degree as a true italic typeface
- snow leopard — a long-haired, leopardlike feline, Panthera (Uncia) uncia, of mountain ranges of central Asia, having a relatively small head and a thick, creamy-gray coat with rosette spots: an endangered species.
- speedboating — the act, practice, or sport of traveling in a speedboat.
- spermatocide — spermicide.
- spermatozoid — a motile male gamete produced in an antheridium.
- spit-roasted — cooked on a spit
- sponged ware — spongeware.
- spotted cavy — paca.
- spotted tail — (Sinte-galeshka) 1833?–81, Brulé Sioux leader.
- stapedectomy — a microsurgical procedure to relieve deafness by replacing the stapes of the ear with a prosthetic device.
- 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.
- 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