12-letter words containing i, s, o, p, r, y
- 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.
- precariously — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
- precociously — unusually advanced or mature in development, especially mental development: a precocious child.
- prediscovery — a previous discovery
- prepsychotic — exhibiting behavior that indicates the approach of a psychotic reaction.
- previsionary — having foresight
- proctoclysis — the slow, continuous introduction of a solution into the rectum to improve fluid intake.
- prodigiosity — the state or quality of being immense, extraordinary or astonishing
- prodigiously — extraordinary in size, amount, extent, degree, force, etc.: a prodigious research grant.
- profitlessly — in such a way as to not yield profit, as in financial gains or general benefits or advantages
- progymnasium — (in Europe) a school that prepares pupils for secondary education (the gymnasium)
- promissorily — (in law) in a promissory way
- prophesyings — gatherings held to expound the prophecies of the Scriptures
- propitiously — presenting favorable conditions; favorable: propitious weather.
- prosodically — in a prosodic manner
- prostacyclin — a prostaglandin, C 2 0 H 3 2 O 5 , that specifically inhibits the formation of blood clots.
- prosyllogism — a syllogism the conclusion of which is used as a premise of another syllogism; any of the syllogisms included in a polysyllogism except the last.
- protensively — in the manner of duration
- protistology — the biology of the Protista.
- protohistory — a branch of study concerned with the transition period between prehistory and the earliest recorded history.
- provisionary — providing or serving for the time being only; existing only until permanently or properly replaced; temporary: a provisional government.
- 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.
- 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
- pyroligneous — produced by the distillation of wood.
- pyrosulfuric — of or derived from pyrosulfuric acid; disulfuric.
- 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.
- responsively — responding especially readily and sympathetically to appeals, efforts, influences, etc.: a responsive government.
- responsivity — the quality or state of being responsive.
- saprobiology — the branch of ecology that studies decaying organic matter or environments, especially saprophytes that derive nourishment in this way.
- saprophytism — living and feeding on dead organic matter
- scorpion fly — any of several harmless insects of the order Mecoptera, the male of certain species having a reproductive structure that resembles the sting of a scorpion.
- 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.
- seismography — the scientific measuring and recording of the shock and vibrations of earthquakes.
- siderography — the art or technique of engraving on steel.
- 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.
- spermophytic — able to produce seed
- sporadically — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- sportability — suitability to be used in or as a sport
- 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.
- 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.