12-letter words containing t, r, o, p, y
- pyritiferous — having or producing pyrites
- pyritohedral — of or relating to a pyritohedron
- pyritohedron — a crystal form of 12 pentagonal faces.
- pyrocatechol — catechol.
- pyroelectric — pertaining to, subject to, or manifesting pyroelectricity.
- pyrogenicity — the characteristic of causing fever
- pyrognostics — the characteristics of a mineral, such as fusibility and flame coloration, that are revealed by the application of heat
- pyromagnetic — (formerly) thermomagnetic (def 1).
- pyromorphite — a mineral, lead chlorophosphate, Pb 5 P 3 O 1 2 Cl, occurring in crystalline and massive forms, and of a green, yellow, or brown color; green lead ore: a minor ore of lead.
- pyrophyllite — Mineralogy. a phyllosilicate, AlSi 2 O 5 (OH), usually having a white or greenish color, and occurring in either foliated or compact masses, the latter variety being used like soapstone.
- pyrosulphate — any salt of pyrosulphuric acid
- pyrotartrate — a salt derived from pyrotartaric acid
- pyrotechnics — the art of making fireworks.
- pyrotechnist — a person skilled in pyrotechnics, especially in the manufacture or use of fireworks.
- pythonomorph — any of various large extinct marine reptiles of the former order Pythonomorpha
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- recuperatory — of or relating to recovery or recuperation
- redeployment — to transfer (a unit, a person, supplies, etc.) from one theater of operations to another.
- reemployment — an act or instance of employing someone or something.
- 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.
- rhythmopoeia — the art or process of composing, for example, music or poetry rhythmically
- 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.
- run on empty — to be at a level of energy, creativity, etc. that is inadequate to sustain worthwhile activity or achievement
- 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.
- technography — the description and study of the arts and sciences in their geographical and ethnic distribution and historical development.
- teeny bopper — a teenage girl, especially a young one.
- teeny-bopper — a teenage girl, especially a young one.
- tetrapyrrole — a chemical formed from four pyrrole rings