12-letter words containing p, r, o, c
- pyrocatechol — catechol.
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyroelectric — pertaining to, subject to, or manifesting pyroelectricity.
- pyrogenicity — the characteristic of causing fever
- pyrognostics — the characteristics of a mineral, such as fusibility and flame coloration, that are revealed by the application of heat
- pyromagnetic — (formerly) thermomagnetic (def 1).
- pyromaniacal — a compulsion to set things on fire.
- pyrosulfuric — of or derived from pyrosulfuric acid; disulfuric.
- pyrotechnics — the art of making fireworks.
- pyrotechnist — a person skilled in pyrotechnics, especially in the manufacture or use of fireworks.
- quadraphonic — 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.
- quadriphonic — quadraphonic.
- quadrophonic — Alternative spelling of quadraphonic.
- radiator cap — a cap in the opening of a device for cooling an internal-combustion engine, through which coolant liquid can be added
- rappahannock — a river flowing SE from N Virginia into the Chesapeake Bay: Civil War battle 1863. 185 miles (300 km) long.
- receipt book — book containing receipt slips
- receptionism — the doctrine that in the communion service the communicant receives the body and blood of Christ but that the bread and wine are not transubstantiated.
- receptionist — a person employed to receive and assist callers, clients, etc., as in an office.
- reciprocally — given or felt by each toward the other; mutual: reciprocal respect.
- reciprocated — to give, feel, etc., in return.
- reciprocates — to give, feel, etc., in return.
- reciprocator — to give, feel, etc., in return.
- recompensate — to recompense for something: They gave him ten dollars to compensate him for his trouble.
- reconception — the act of conceiving; the state of being conceived.
- recuperation — to recover from sickness or exhaustion; regain health or strength.
- recuperatory — of or relating to recovery or recuperation
- reinspection — the act or process of reinspecting
- release copy — an article, notice, announcement, or the like, issued in advance for publication or broadcast, bearing a release date.
- reoccupation — a person's usual or principal work or business, especially as a means of earning a living; vocation: Her occupation was dentistry.
- repercussion — an effect or result, often indirect or remote, of some event or action: The repercussions of the quarrel were widespread.
- reply coupon — a coupon sent with an international letter which can be exchanged for stamps sufficient to send a letter back in reply
- reproachable — to find fault with (a person, group, etc.); blame; censure.
- reproachless — irreproachable.
- reprocessing — a systematic series of actions directed to some end: to devise a process for homogenizing milk.
- reproducible — to make a copy, representation, duplicate, or close imitation of: to reproduce a picture.
- reproduction — the act or process of reproducing.
- reproductive — serving to reproduce.
- resectoscope — a thin, hollow, flexible surgical instrument inserted through the urethra or vagina for use in the biopsy of tissue or the removal of lesions from the prostate gland, bladder, or uterus
- retrophiliac — someone who has a strong liking for things from the past
- rhamphotheca — the horny covering of a bird's bill.
- rheoreceptor — a receptor of fishes and aquatic amphibians stimulated by water currents.
- rhizocarpous — having the root perennial but the stem annual, as perennial herbs.
- rhopaloceral — of or relating to creatures from the Rhopalocera division of animals, which includes all butterflies, distinguished from moths on account of their club-shaped antennae
- rhynchophore — a member of the Rhynchophora, a former name for the superfamily of beetles (Curculionoidea) that comprises the weevils and bark beetles
- rhyncophoran — any of various beetles, including the weevils, having the head extended to form a snout
- road company — a theatrical group that tours cities and towns, usually performing a single play that is or has been a success in New York City.
- road pricing — Road pricing is a system of making drivers pay money for driving on certain roads by electronically recording the movement of vehicles on those roads.
- rock chopper — a Roman Catholic
- rock springs — a city in SW Wyoming.
- rocker panel — body paneling below the passenger compartment of a vehicle.