12-letter words containing p, o, r, t, i
- pyrotechnist — a person skilled in pyrotechnics, especially in the manufacture or use of fireworks.
- radiator cap — a cap in the opening of a device for cooling an internal-combustion engine, through which coolant liquid can be added
- radioisotope — a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
- radiophonist — a person who produces radiophonic music
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- re-apportion — to apportion or distribute anew.
- re-deposited — to place for safekeeping or in trust, especially in a bank account: He deposited his paycheck every Friday.
- reabsorption — resorption (def 2).
- readaptation — the act of adapting.
- reassumption — the act or process of reassuming something
- receipt book — book containing receipt slips
- receptionism — the doctrine that in the communion service the communicant receives the body and blood of Christ but that the bread and wine are not transubstantiated.
- receptionist — a person employed to receive and assist callers, clients, etc., as in an office.
- reciprocated — to give, feel, etc., in return.
- reciprocates — to give, feel, etc., in return.
- reciprocator — to give, feel, etc., in return.
- reconception — the act of conceiving; the state of being conceived.
- recuperation — to recover from sickness or exhaustion; regain health or strength.
- redemptioner — an emigrant from Europe to America who obtained passage by becoming an indentured servant for a specified period of time.
- redemptorist — a member of the “Congregation of the Most Holy Redeemer,” founded by St. Alphonsus Liguori in 1732.
- reinspection — the act or process of reinspecting
- relationship — a connection, association, or involvement.
- reoccupation — a person's usual or principal work or business, especially as a means of earning a living; vocation: Her occupation was dentistry.
- repagination — Bibliography. the number of pages or leaves of a book, manuscript, etc., identified in bibliographical description or cataloging.
- repatriation — to bring or send back (a person, especially a prisoner of war, a refugee, etc.) to his or her country or land of citizenship.
- replantation — to plant again.
- repopulation — the total number of persons inhabiting a country, city, or any district or area.
- repositorium — a place for the storage of valuables, as in an ancient Roman temple or a church.
- reprioritize — to arrange or do in order of priority: learning to prioritize our assignments.
- reproduction — the act or process of reproducing.
- reproductive — serving to reproduce.
- reproportion — comparative relation between things or magnitudes as to size, quantity, number, etc.; ratio.
- reputational — the estimation in which a person or thing is held, especially by the community or the public generally; repute: a man of good reputation.
- respirometer — an instrument for measuring the extent of respiratory movement.
- respirometry — the branch of medical science dealing with the measurement and analysis of respiration.
- respondentia — a loan upon a ship's cargo, which is repaid with interest if the ship reaches its destination, and if the ship does not, the loan is not repaid
- responsivity — the quality or state of being responsive.
- resupination — a resupinate condition.
- retail group — a group of companies under single ownership, which sell goods to individual customers
- retrophiliac — someone who has a strong liking for things from the past
- retropulsion — an abnormal tendency to walk backwards: a symptom of Parkinson's disease
- retropulsive — of or relating to retropulsion
- rhythmopoeia — the art or process of composing, for example, music or poetry rhythmically
- ribbon plant — spider plant (def 1).
- ribbon strip — ribbon (def 8).
- rostropovich — Mstislav (Leopoldovich) [mis-tuh-slahv lee-uh-pohl-duh-vich;; Russian mstyi-slahf lyi-uh-pawl-duh-vyich] /ˈmɪs təˌslɑv ˌli əˈpoʊl də vɪtʃ;; Russian mstyɪˈslɑf lyɪ əˈpɔl də vyɪtʃ/ (Show IPA), 1927–2007, Soviet cellist and conductor (husband of Galina Vishnevskaya).
- rustproofing — the process of making metal rustproof.
- saint-tropez — a town in SE France, on the French Riviera: beach resort.
- saprophytism — living and feeding on dead organic matter
- scopes trial — John Thomas, 1901–70, U.S. high-school teacher whose teaching of the Darwinian theory of evolution became a cause célèbre (Scopes Trial or Monkey Trial) in 1925.