17-letter words containing p, e, r, t, o, n
- radiation therapy — x-rays used as treatment
- radio in the loop — Wireless Local Loop
- radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- recoil escapement — anchor escapement.
- recovery position — a position in which an unconscious person can be lain on the floor, which minimises them from further risk
- redemption center — a commercial establishment at which trading stamps of a specific brand may be exchanged for merchandise.
- rehospitalization — the act, process, or state of being hospitalized.
- repertory company — repertory (def 2).
- reported question — A reported question is a question which is reported using a clause beginning with a word such as 'why' or 'whether', as in 'I asked her why she'd done it'.
- rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
- respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- return on capital — A return on capital is any earnings that you receive from the capital that you have invested.
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- ribonucleoprotein — a substance composed of RNA in close association with protein; a nucleoprotein containing RNA. Abbreviation: RNP.
- rocket propulsion — propulsion of an object by thrust developed by a rocket.
- roseate spoonbill — a tropical New World spoonbill, Ajaia ajaja, having rose-colored plumage and a bare head.
- round-trip ticket — a ticket entitling a passenger to travel to his or her destination and back again
- rubber plantation — an estate in a tropical country where rubber trees are grown on a large scale
- rural development — social or economic activities or initiatives designed to improve the standard of living in areas far away from large towns or cities
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- saint christopher — Saint, died a.d. c250, Christian martyr.
- secondary product — a product that is not the main product of an industry; a by-product
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-presentation — an act of presenting.
- self-preservation — preservation of oneself from harm or destruction.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-reproduction — the act or process of reproducing.
- sensitivity group — a group of persons participating in sensitivity training.
- separation center — a place at which military personnel are processed for release from active service.
- separation energy — binding energy (def 1).
- set one's cap for — a close-fitting covering for the head, usually of soft supple material and having no visor or brim.
- shetland pullover — a thick woollen sweater made from Shetland wool
- shooting practice — practice in shooting for soldiers or other people who shoot guns
- shopping precinct — pedestrian area with shops
- slap on the wrist — a sharp blow or smack, especially with the open hand or with something flat.
- sleep deprivation — a condition in which you have not had enough sleep
- slip-joint pliers — pliers having a sliding joint, permitting the span of the jaws to be adjusted.
- social enterprise — a business organization that works to benefit society as a whole
- sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
- sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
- southampton water — an inlet of the English Channel in S England
- southern sporades — a group of Greek islands in the Aegean, including the Dodecanese, lying off the SW coast of Turkey
- speech correction — the reeducation of speech habits that deviate from accepted speech standards.
- speed restriction — the maximum speed allowed for road vehicles, trains, or other vehicles
- spenserian sonnet — a sonnet employing the rhyme scheme abab, bcbc, cdcd, ee.
- sperrin mountains — a mountain range in NW Northern Ireland
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- split personality — multiple personality.