7-letter words containing s, t, o, r
- oestrus — estrus.
- oldster — an old or elderly person.
- olestra — a synthetic oil used as a substitute for dietary fat: not digested or absorbed by the human body.
- oralist — an advocate of oralism.
- orantes — orant.
- orators — Plural form of orator.
- orestes — Classical Mythology. the son of Agamemnon and Clytemnestra, and the brother of Electra and Iphigenia: he avenged the murder of Agamemnon by killing Clytemenestra and her lover, Aegisthus, then was pursued by the Furies until saved by Athena.
- orgiast — One who celebrates orgies.
- orients — Third-person singular simple present indicative form of orient.
- orontes — a river in W Asia, flowing N from Lebanon through NW Syria and then SW past Antioch, Turkey, to the Mediterranean. 250 miles (405 km) long.
- orthros — Greek Orthodox Church. the morning office, corresponding to matins.
- osseter — a species of Russian sturgeon
- osteria — An Italian restaurant, typically a simple or inexpensive one.
- ostiary — Also called doorkeeper, porter. Roman Catholic Church. a member of the lowest-ranking of the four minor orders. the order itself. Compare acolyte (def 2), exorcist (def 2), lector (def 2).
- ostmark — (formerly) a cupronickel coin and monetary unit of East Germany: replaced by the Deutsche mark in 1990.
- ostraca — (in ancient Greece) a potsherd, especially one used as a ballot on which the name of a person voted to be ostracized was inscribed.
- ostrava — a city in N Moravia, in the NE Czech Republic.
- ostrich — a large, two-toed, swift-footed flightless bird, Struthio camelus, indigenous to Africa and Arabia, domesticated for its plumage: the largest of living birds.
- outruns — Third-person singular simple present indicative form of outrun.
- outrush — a rapid or intense outflow: an outrush of water from a bursting pipe.
- outsert — an additional folded signature or sheet into which another is bound.
- outsoar — to soar beyond.
- overset — to upset or overturn; overthrow.
- parotis — a parotid gland
- petrous — denoting the dense part of the temporal bone that surrounds the inner ear
- popster — a pop star
- postern — a back door or gate.
- posture — the relative disposition of the parts of something.
- postwar — of, relating to, or characteristic of a period following a war: postwar problems; postwar removal of rationing.
- presort — to sort (letters, packages, etc.) by zip code or class before collection or delivery to a post office.
- preston — a seaport in W Lancashire, in NW England.
- prevost — Marcel [mar-sel] /marˈsɛl/ (Show IPA), 1862–1941, French novelist and dramatist.
- prompts — done, performed, delivered, etc., at once or without delay: a prompt reply.
- prosect — to dissect (a cadaver or part) for anatomical demonstration.
- prostas — (in classical architecture) an antechamber or vestibule.
- prostie — a prostitute.
- protest — an expression or declaration of objection, disapproval, or dissent, often in opposition to something a person is powerless to prevent or avoid: a protest against increased taxation.
- proteus — Classical Mythology. a sea god, son of Oceanus and Tethys, noted for his ability to assume different forms and to prophesy.
- protist — any of various one-celled organisms, classified in the kingdom Protista, that are either free-living or aggregated into simple colonies and that have diverse reproductive and nutritional modes, including the protozoans, eukaryotic algae, and slime molds: some classification schemes also include the fungi and the more primitive bacteria and blue-green algae or may distribute the organisms between the kingdoms Plantae and Animalia according to dominant characteristics.
- protons — a positively charged elementary particle that is a fundamental constituent of all atomic nuclei. It is the lightest and most stable baryon, having a charge equal in magnitude to that of the electron, a spin of ½, and a mass of 1.673 × 10− 27 kg. Symbol: P.
- provost — a person appointed to superintend or preside.
- prowest — valiant.
- quartos — Plural form of quarto.
- questor — one of two subordinates of the consuls serving as public prosecutors in certain criminal cases.
- rations — a fixed allowance of provisions or food, especially for soldiers or sailors or for civilians during a shortage: a daily ration of meat and bread.
- re-sort — to sort or arrange (cards, papers, etc.) again.
- reposit — to put back; replace.
- reshoot — to shoot (a film, scene, photograph) again
- resojet — resonant jet (engine): a type of jet engine that produces a pulsating thrust due to the resonance produced by the shock waves which traverse it
- restock — refill, replenish with supplies