9-letter words containing r, o, c, a, i
- premosaic — of the period before Moses
- privocrat — (esp in neo-conservative thought) a person who is not in favour of relinquishing individual freedoms in order to give the state more powers to combat terrorism
- proaction — the process or state of acting or of being active: The machine is not in action now.
- proactive — serving to prepare for, intervene in, or control an expected occurrence or situation, especially a negative or difficult one; anticipatory: proactive measures against crime.
- procacity — insolence
- procambia — plant part in stem and root
- prolactin — an anterior pituitary polypeptide hormone that stimulates lactation by the mammary glands at parturition in mammals, the activity of the crop in birds, and in some mammalian species the production of progesterone by the corpus luteum.
- prophasic — relating to the first stage of nuclear division
- prosocial — acting to the benefit of society in general
- prostatic — Also, prostatic [pro-stat-ik] /prɒˈstæt ɪk/ (Show IPA). of or relating to the prostate gland.
- psoriatic — a common chronic, inflammatory skin disease characterized by scaly patches.
- race riot — a riot resulting from animosity or tensions between racial or ethnic groups.
- race-riot — a riot resulting from animosity or tensions between racial or ethnic groups.
- racegoing — that goes to races
- raciation — the evolutionary development of races
- radicchio — a variety of chicory originating in Italy, having a compact head of reddish, white-streaked leaves: leaves and roots may be cooked or used raw in salads.
- radio cab — a taxi or cab equipped with a radio for communication
- radio car — an automobile, especially a police car or taxi, equipped with a two-way radio for communication.
- radiocast — a radiobroadcast.
- radionics — a dowsing technique using a pendulum to detect the energy fields that are emitted by all forms of matter
- rapacious — given to seizing for plunder or the satisfaction of greed.
- recaption — the taking back without violence of one's property or a member of one's family or household unlawfully in the possession or custody of another.
- recaution — alertness and prudence in a hazardous situation; care; wariness: Landslides ahead—proceed with caution.
- recoinage — the act, process, or right of making coins.
- redaction — to put into suitable literary form; revise; edit.
- rhapontic — a type of rhubarb
- rhapsodic — extravagantly enthusiastic; ecstatic.
- rheobasic — of or relating to rheobase
- rhizocarp — a plant that fruits underground or whose root remains intact while the leaves die off annually
- rhizocaul — a rootlike stem or stalk
- rhotacism — Historical Linguistics. a change of a speech sound, especially (s), to (r), as in the change from Old Latin lases to Latin lares.
- rhotacize — to change (a sound) to an (r); subject to rhotacism.
- rice coal — anthracite coal in sizes ranging from 3/16 to 5/16 inch (about 0.5 to 0.8 cm).
- rio claro — a city in São Paulo state, in SE Brazil.
- rocinante — Rosinante.
- roubiliac — Louis-François (lwifrɑ̃swa). ?1695–1762, French sculptor: lived chiefly in England: his sculptures include the statue of Handel in Vauxhall Gardens (1737)
- ructation — an eructation or belch
- sacciform — resembling a sac
- saporific — producing or imparting flavor or taste.
- saprozoic — (of animals or plants) feeding on dead organic matter
- sarcodine — belonging or pertaining to the protist phylum Sarcodina, comprising protozoa that move and capture food by forming pseudopodia.
- sarcoptic — related to or caused by itch-mites that cause mange in animals
- sarcosine — a crystalline compound, C 3 H 7 NO 2 , with a sweet taste, soluble in water, slightly soluble in alcohol: used in the manufacture of toothpaste, cosmetics, and pharmaceuticals.
- satyricon — a satirical novel, interspersed with verse, written in the 1st century a.d. by Petronius, extant in fragments.
- scaraboid — of, relating to, or resembling a scarabaeid
- scenarios — an outline of the plot of a dramatic work, giving particulars as to the scenes, characters, situations, etc.
- sectorial — of or relating to a sector.
- sociogram — a sociometric diagram representing the pattern of relationships between individuals in a group, usually expressed in terms of which persons they prefer to associate with.
- sonicator — a device for treatment with ultrasound
- stratonic — of or relating to an army