13-letter words containing t, r, o, i, s
- proactiveness — serving to prepare for, intervene in, or control an expected occurrence or situation, especially a negative or difficult one; anticipatory: proactive measures against crime.
- probabilistic — Statistics. of or relating to probability: probabilistic forecasting.
- procapitalist — a person who has capital, especially extensive capital, invested in business enterprises.
- procrastinate — to defer action; delay: to procrastinate until an opportunity is lost.
- profectitious — (of money or property) proceeding from a parent or derived from an ancestor
- professoriate — a group of professors.
- progestogenic — relating to progestogen
- prognosticate — to forecast or predict (something future) from present indications or signs; prophesy.
- progressivist — the principles and practices of progressives.
- progressivity — favoring or advocating progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, especially in political matters: a progressive mayor.
- projectionist — an operator of a motion-picture or slide projector.
- promonarchist — the principles of monarchy.
- propositional — the act of offering or suggesting something to be considered, accepted, adopted, or done.
- propositioned — the act of offering or suggesting something to be considered, accepted, adopted, or done.
- prosectorship — the position or responsibility of a prosector
- prosecutorial — of or relating to a prosecutor or prosecution: prosecutorial zeal.
- prospectively — of or in the future: prospective earnings.
- prostaglandin — Biochemistry. any of a class of unsaturated fatty acids that are involved in the contraction of smooth muscle, the control of inflammation and body temperature, and many other physiological functions.
- prosthodontia — the branch of dentistry that deals with the restoration and maintenance of oral function by the replacement of missing teeth and other oral structures by artificial devices.
- protectionism — Economics. the theory, practice, or system of fostering or developing domestic industries by protecting them from foreign competition through duties or quotas imposed on importations.
- protectionist — Economics. the theory, practice, or system of fostering or developing domestic industries by protecting them from foreign competition through duties or quotas imposed on importations.
- protectorship — a person or thing that protects; defender; guardian.
- proteinaceous — Biochemistry. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids linked in a genetically controlled linear sequence into one or more long polypeptide chains, the final shape and other properties of each protein being determined by the side chains of the amino acids and their chemical attachments: proteins include such specialized forms as collagen for supportive tissue, hemoglobin for transport, antibodies for immune defense, and enzymes for metabolism.
- proteoclastic — of, related to, or initiating proteolysis
- protestantism — the religion of Protestants.
- protestantize — to convert or cause to conform to Protestantism.
- proverbialist — a person who composes, records or uses proverbial expressions
- provincialist — a native or inhabitant of a province.
- psilanthropic — relating to psilanthropism
- psychohistory — history or the writing of history employing the techniques of psychoanalysis to explore motivations, explain actions, etc.
- psychometrics — the measurement of mental traits, abilities, and processes.
- psychrometric — relating to psychrometry
- public sector — the area of the nation's affairs under governmental rather than private control.
- puritan spoon — a silver spoon having an ovoid bowl and a straight, flat, completely plain stem.
- purpose-built — A purpose-built building has been specially designed and built for a particular use.
- quartziferous — consisting of or containing quartz: quartziferous rock.
- quaternionist — a mathematician who works with quaternions
- question mark — Also called interrogation point, interrogation mark. a mark indicating a question: usually, as in English, the mark (?) placed after a question.
- questionaries — Plural form of questionary.
- questionnaire — a list of questions, usually printed, submitted for replies that can be analyzed for usable information: a questionnaire used in market research.
- rabbit's foot — the foot of a rabbit, especially the left hind foot carried as a good-luck charm.
- racialisation — Non-Oxford British standard spelling of racialization.
- radiationless — not emitting or producing radiation
- radio station — station (def 8).
- radiopacities — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- raison d'etat — a purely political reason for governmental action, based on the national interest and often violating principles of justice.
- raison d'etre — reason or justification for being or existence: Art is the artist's raison d'être.
- ramifications — the act or process of ramifying.
- rationalistic — the principle or habit of accepting reason as the supreme authority in matters of opinion, belief, or conduct.