11-letter words containing c, r, o, s, a
- oscillatory — characterized by or involving oscillation.
- oscillogram — the record produced by the action of an oscillograph or oscilloscope.
- ostracising — Present participle of ostracise.
- ostracizing — Simple past tense and past participle of ostracize.
- ostracoderm — any of several extinct jawless fishes of the Ordovician, Silurian, and Devonian periods, having the body enclosed in an armor of bony plates.
- ostreaceous — oyster-like
- outer space — space beyond the atmosphere of the earth.
- overcasting — Meteorology. the condition of the sky when more than 95 percent covered by clouds.
- overcharges — Third-person singular simple present indicative form of overcharge.
- overclasses — Plural form of overclass.
- oyster crab — a pea crab, Pinnotheres ostreum, the female of which lives as a commensal within the mantle cavity of oysters.
- panchreston — a proposed explanation intended to address a complex problem by trying to account for all possible contingencies but typically proving to be too broadly conceived and therefore oversimplified to be of any practical use.
- pantisocrat — someone who believes, or takes part, in pantisocracy
- papal cross — a cross with three horizontal crosspieces.
- papyraceous — papery.
- paracrostic — a poem in which the initial letters of each line replicate the first line
- parcel post — (in the U.S. Postal Service) nonpreferential mail consisting of packages and parcels, weighing one pound or more sent at fourth-class rates. Compare fourth class.
- peace corps — a civilian organization, sponsored by the U.S. government, that sends volunteers to instruct citizens of underdeveloped countries in the execution of industrial, agricultural, educational, and health programs.
- pechora sea — the SE part of the Barents Sea, northwest of Russia
- phoniatrics — the study and treatment of voice disorders.
- piperaceous — belonging to the Piperacae, the pepper family of plants.
- piscatorial — of or relating to fishermen or fishing: a piscatory treaty.
- polariscope — an instrument for measuring or exhibiting the polarization of light or for examining substances in polarized light, often to determine stress and strain in glass and other substances.
- polycarpous — producing fruit many times, as a perennial plant.
- polycrystal — an object composed of randomly oriented crystals, formed by rapid solidification
- post-racial — characterized by the absence of racial discord, discrimination, or prejudice previously or historically present: post-racial politics; the post-racial era.
- postal card — a card sold by the post office with a stamp already printed on it.
- postcranial — located posterior to the head.
- precautious — using or displaying precaution: a precautious reply; a precautious person.
- precisional — the state or quality of being precise.
- prison camp — a camp for the confinement of prisoners of war or political prisoners.
- pro-fascist — a person who believes in or sympathizes with fascism.
- processable — capable of being processed.
- proconsular — Roman History. an official, usually a former consul, who acted as governor or military commander of a province, and who had powers similar to those of a consul.
- procrustean — pertaining to or suggestive of Procrustes.
- prosaically — commonplace or dull; matter-of-fact or unimaginative: a prosaic mind.
- prosaicness — commonplace or dull; matter-of-fact or unimaginative: a prosaic mind.
- prosenchyma — the tissue characteristic of the woody and bast portions of plants, consisting typically of long, narrow cells with pointed ends.
- prosobranch — a gastropod mollusc of the subclass Prosobranchia, which includes conches, limpets, abalones, and numerous aquatic and terrestrial snails
- provascular — of or relating to procambium
- psychodrama — a method of group psychotherapy in which participants take roles in improvisational dramatizations of emotionally charged situations.
- psychograph — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- pyroclastic — composed chiefly of fragments of volcanic origin, as agglomerate, tuff, and certain other rocks; volcaniclastic.
- 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.
- race-course — racetrack.
- racecourses — Plural form of racecourse.
- radarscopes — Plural form of radarscope.
- radicellose — having small roots or rhizoids
- radio shack — a room or structure, as on a ship, for housing radio equipment.
- radiocesium — cesium 137.