11-letter words containing r, u, s, o
- protandrous — (of hermaphrodite or monoecious plants) maturing the anthers before the stigma
- protogynous — of or relating to a flower in which the shedding of pollen occurs after the stigma has stopped being receptive; having female sex organs maturing before the male.
- protrusible — able to be thrust outwards
- proud flesh — granulation tissue.
- provascular — of or relating to procambium
- 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
- pseudograph — a piece of writing that is falsely ascribed
- pseudomorph — an irregular or unclassifiable form.
- 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.
- pure reason — reason based on a priori principles and providing a unifying ground for the perception of the phenomenal world.
- purportless — without purport
- purposeless — having no purpose or apparent meaning.
- purse-proud — proud of one's wealth, especially in an arrogant or showy manner.
- pursuant to — legal: in accordance with
- push around — to press upon or against (a thing) with force in order to move it away.
- pussyfooter — a person who behaves stealthily or evasively
- put on airs — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
- pyrosulfate — a salt of pyrosulfuric acid.
- quadrasonic — of, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of the stereo system: a quadraphonic recording.
- quarrellous — argumentative or given to complaint
- quarrelsome — inclined to quarrel; argumentative; contentious.
- quaternions — Plural form of quaternion.
- quatrefoils — Plural form of quatrefoil.
- querulously — full of complaints; complaining.
- questionary — a questionnaire.
- questioners — Plural form of questioner.
- race-course — racetrack.
- racecourses — Plural form of racecourse.
- radiocesium — cesium 137.
- radiosodium — the radioactive isotope of sodium having an atomic mass of 24 and a half-life of 14.9 hours: used as a tracer in biochemistry.
- ramgunshoch — surly; bad-tempered; rude
- ranch house — the house of the owner of a ranch, usually of one story and with a low-pitched roof.
- rapturously — full of, feeling, or manifesting ecstatic joy or delight.
- re-accustom — to familiarize by custom or use; habituate: to accustom oneself to cold weather.
- re-exposure — the act, state, or condition of being re-exposed
- reconstruct — to construct again; rebuild; make over.
- rediffusion — act of diffusing; state of being diffused.
- religiously — of, relating to, or concerned with religion: a religious holiday.
- repetitious — full of repetition, especially unnecessary and tedious repetition: a repetitious account of their vacation trip.
- requisition — the act of requiring or demanding.
- requisitory — a demand, usually in writing, made by a prosecutor that a sentence be passed against an accused party, and stating reasons for the demand
- resourceful — able to deal skillfully and promptly with new situations, difficulties, etc.
- restitution — reparation made by giving an equivalent or compensation for loss, damage, or injury caused; indemnification.
- restitutory — reparation made by giving an equivalent or compensation for loss, damage, or injury caused; indemnification.
- resurrector — to raise from the dead; bring to life again.
- retrosexual — a heterosexual man who spends little time and money on his personal appearance
- retroussage — the technique or action, in etching or engraving, of drawing up ink from within the incised lines of an inked plate by deftly passing a soft cloth across its surface in order to spread ink to the adjacent areas.
- reupholster — to provide (chairs, sofas, etc.) with coverings, cushions, stuffing, springs, etc.
- reverse out — a font or type that is defined by its background or border, allowing the underlying colour of the paper or the background colour to show the shape of the characters