11-letter words containing p, r, o, s, i
- prosthetist — a person skilled in making or fitting prosthetic devices.
- prostituted — a woman who engages in sexual intercourse for money; whore; harlot.
- prostomiate — having a prostomium.
- prostrating — to cast (oneself) face down on the ground in humility, submission, or adoration.
- prostration — the act of prostrating.
- protagonism — the leading character, hero, or heroine of a drama or other literary work.
- protagonist — the leading character, hero, or heroine of a drama or other literary work.
- proteolysis — the breaking down of proteins into simpler compounds, as in digestion.
- protocolist — a person who drafts protocols
- protrusible — able to be thrust outwards
- providences — a seaport in and the capital of Rhode Island, in the NE part, at the head of Narragansett Bay.
- provisional — providing or serving for the time being only; existing only until permanently or properly replaced; temporary: a provisional government.
- provisioned — a clause in a legal instrument, a law, etc., providing for a particular matter; stipulation; proviso.
- provisioner — a clause in a legal instrument, a law, etc., providing for a particular matter; stipulation; proviso.
- provostship — the office of a provost
- proximities — nearness in place, time, order, occurrence, or relation.
- pruriginous — of, relating to, or causing prurigo.
- prusik loop — a loop formed with a sliding knot that locks under pressure in which a climber can place his foot in order to stand or ascend a rope
- pseudoprime — A backgammon prime (six consecutive occupied points) with one point missing. This term is an esoteric pun derived from a mathematical method that, rather than determining precisely whether a number is prime (has no divisors), uses a statistical technique to decide whether the number is "probably" prime. A number that passes this test is called a pseudoprime. The hacker backgammon usage stems from the idea that a pseudoprime is almost as good as a prime: it does the job of a prime until proven otherwise, and that probably won't happen.
- put on airs — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
- pycniospore — the spore produced in a pycnium.
- pyroclastic — composed chiefly of fragments of volcanic origin, as agglomerate, tuff, and certain other rocks; volcaniclastic.
- pyrognostic — relating to heated minerals
- pyrokinesis — the ability to set objects or people on fire through the concentration of psychic power.
- rap session — a usually informal or unstructured group discussion, attended especially by people with shared interests, concerns, or problems.
- rapscallion — a rascal; rogue; scamp.
- repair shop — garage, body shop: for vehicles
- reparations — the making of amends for wrong or injury done: reparation for an injustice.
- repetitious — full of repetition, especially unnecessary and tedious repetition: a repetitious account of their vacation trip.
- reprovision — a clause in a legal instrument, a law, etc., providing for a particular matter; stipulation; proviso.
- rescription — a reply or answering of a letter
- respiration — the act of respiring; inhalation and exhalation of air; breathing.
- respiratory — pertaining to or serving for respiration: respiratory disease.
- responsible — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- responsibly — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- responsions — the first of three examinations which were required for a degree at the University of Oxford prior to 1960
- rest period — a period of rest
- retail shop — a shop which sells goods to individual customers
- retinispora — any member of the genus Retinispora, of conifers which grow in the east of Asia and in the east and west of North America
- retinoscope — an apparatus that determines the refractive power of the eye by observing the lights and shadows on the pupil when a mirror illumines the retina; skiascope.
- retinoscopy — an objective method of determining the refractive error of an eye.
- rh positive — See under Rh factor.
- rh-positive — See under Rh factor.
- rhapsodical — extravagantly enthusiastic; ecstatic.
- rheotropism — the effect of a current of water upon the direction of plant growth.
- rhinoplasty — plastic surgery of the nose.
- rhizosphere — the area of soil that surrounds the roots of a plant and is altered by the plant's root growth, nutrients, respiration, etc.
- ring-porous — having annual rings marked by a conspicuous band of large pores in wood formed in spring.
- robespierre — Maximilien François Marie Isidore de [mak-see-mee-lyan frahn-swa ma-ree ee-zee-dawr duh] /mak si miˈlyɛ̃ frɑ̃ˈswa maˈri i ziˈdɔr də/ (Show IPA), 1758–94, French lawyer and revolutionary leader.
- rocket ship — a rocket-propelled aircraft or spacecraft.