12-letter words containing p, r, o, s, t, y
- protistology — the biology of the Protista.
- protohistory — a branch of study concerned with the transition period between prehistory and the earliest recorded history.
- protosynthex — A query system for English text.
- pseudomartyr — someone falsely or inaccurately called a martyr
- psychometric — Psychology. psychometrics.
- psychotronic — of or relating to a genre of usually low-budget movies that includes horror, fantasy, science-fiction, and underground films.
- psychotropic — affecting mental activity, behavior, or perception, as a mood-altering drug.
- psychrometer — an instrument for determining atmospheric humidity by the reading of two thermometers, the bulb of one being kept moist and ventilated.
- psychrometry — the employment of the psychrometer.
- put years on — to make (someone) feel or look much older
- pyloroplasty — the surgical alteration of the pylorus, usually a widening to facilitate the passage of food from the stomach to the duodenum.
- pyonephritis — suppurative inflammation of the kidney.
- pyritiferous — having or producing pyrites
- pyrognostics — the characteristics of a mineral, such as fusibility and flame coloration, that are revealed by the application of heat
- pyrosulphate — any salt of pyrosulphuric acid
- pyrotechnics — the art of making fireworks.
- pyrotechnist — a person skilled in pyrotechnics, especially in the manufacture or use of fireworks.
- respirometry — the branch of medical science dealing with the measurement and analysis of respiration.
- responsivity — the quality or state of being responsive.
- reupholstery — the materials used to cushion and cover furniture.
- rotary press — a printing press in which the type or plates to be printed are fastened upon a rotating cylinder and are impressed on a continuous roll of moving paper.
- saprophytism — living and feeding on dead organic matter
- scrupulosity — having scruples, or moral or ethical standards; having or showing a strict regard for what one considers right; principled: scrupulous about defending human rights.
- spatiography — the study of the characteristics of space beyond the atmosphere, including the mapping of the movements of celestial bodies and the recording of electrical, magnetic, and gravitational effects, especially those likely to affect missiles and spacecraft.
- spectrometry — an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, especially an instrument (prism spectrometer) consisting of a slit through which light passes, a collimator, a prism that deviates the light, and a telescope through which the deviated light is viewed and examined.
- spectroscopy — the science that deals with the use of the spectroscope and with spectrum analysis.
- spermatocyte — a male germ cell (primary spermatocyte) that gives rise by meiosis to a pair of haploid cells (secondary spermatocytes) that give rise in turn to spermatids.
- spermophytic — able to produce seed
- sphygmometer — a device which measures the rate of the pulse
- sportability — suitability to be used in or as a sport
- stepmotherly — related to or having the characteristics of a stepmother
- stereography — the art of delineating the forms of solid bodies on a plane.
- stereotyping — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- stereotypist — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- streptolysin — a type of hemolysin produced by certain species of streptococcus.
- streptomyces — any of several aerobic bacteria of the genus Streptomyces, certain species of which produce antibiotics.
- streptomycin — an antibiotic, C 2 1 H 3 9 N 7 O 1 2 , produced by a soil actinomycete, Streptomyces griseus, and used in medicine in the form of its white, water-soluble sulfate salt, chiefly in the treatment of tuberculosis.
- study period — a period of time or lesson used for studying
- stylographic — of or relating to a stylograph.
- suppletorily — supplying a deficiency.
- supplicatory — to pray humbly; make humble and earnest entreaty or petition.
- supportingly — to bear or hold up (a load, mass, structure, part, etc.); serve as a foundation for.
- top security — ultra secure
- torreys peak — a mountain in central Colorado, in the Front Range, in the E Rocky Mountains. 14,267 feet (4349 meters).
- tracheoscopy — examination of the interior of the trachea, as with a laryngoscope.
- typographist — a person skilled in the art of typography
- urethroscopy — observation of the urethra by a urethroscope.
- victory ship — a fast, turbine-powered cargo ship of World War II, having a capacity of about 11,000 dead-weight tons.
- yachtsperson — A yachtsman or yachtswoman.