13-letter words containing a, o, r, i, s, t
- 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.
- 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
- puritan spoon — a silver spoon having an ovoid bowl and a straight, flat, completely plain stem.
- 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.
- ray tomlinson — (person) An engineer at Bolt Beranek and Newman who, in July 1972 while designing the first[?] electronic mail program, chose the commercial at symbol "@" to separate the user name from the computer name.
- re-absorption — resorption (def 2).
- re-escalation — the act of re-escalating
- reacquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- reactionarism — of, pertaining to, marked by, or favoring reaction, especially extreme conservatism or rightism in politics; opposing political or social change.
- reasonability — agreeable to reason or sound judgment; logical: a reasonable choice for chairman.
- reassignation — an appointment for a meeting, especially a lover's secret rendezvous.
- reassociation — an organization of people with a common purpose and having a formal structure.
- recessionista — a person whose clothes, whether cheap, second-hand, or suitably subdued, are considered appropriate to an economic downturn
- recitationist — someone who gives recitations
- reconsolidate — to bring together (separate parts) into a single or unified whole; unite; combine: They consolidated their three companies.
- recreationist — a person who advocates that national parks, seashores, lakes, etc., be preserved in their natural state for recreation, farming, or scientific study.
- redesignation — an act of designating.
- refashionment — the act or state of being refashioned
- reforestation — to replant trees on (land denuded by cutting or fire).
- regiomontanus — Friedrich Max [free-drik maks;; German free-drikh mahks] /ˈfri drɪk mæks;; German ˈfri drɪx mɑks/ (Show IPA), 1823–1900, English Sanskrit scholar and philologist born in Germany.
- regionalistic — Government. the principle or system of dividing a city, state, etc., into separate administrative regions.
- rehospitalize — to place in hospital again
- reinfestation — the act of infesting; state of being infested.
- relay station — a radio station that receives radio signals and retransmits them, in order to extend their range
- remonstration — to say or plead in protest, objection, or disapproval.
- remonstrative — to say or plead in protest, objection, or disapproval.
- resegregation — the act or practice of segregating; a setting apart or separation of people or things from others or from the main body or group: gender segregation in some fundamentalist religions.
- restimulation — the act or process of stimulating again; reactivation
- restoratively — in a restorative manner
- resublimation — Psychology. the diversion of the energy of a sexual or other biological impulse from its immediate goal to one of a more acceptable social, moral, or aesthetic nature or use.