10-letter words containing a, e, r, o, c
- refraction — Physics. the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.
- refractory — hard or impossible to manage; stubbornly disobedient: a refractory child.
- relocation — to move (a building, company, etc.) to a different location: plans to relocate the firm to Houston.
- replicator — Any construct that acts to produce copies of itself; this could be a living organism, an idea (see meme), a program (see quine, worm, wabbit, fork bomb, and virus), a pattern in a cellular automaton (see life), or (speculatively) a robot or nanobot. It is even claimed by some that Unix and C are the symbiotic halves of an extremely successful replicator; see Unix conspiracy.
- reproached — to find fault with (a person, group, etc.); blame; censure.
- reprobance — reprobation.
- retraction — the act of retracting or the state of being retracted.
- revocation — the act of revoking; annulment.
- revocatory — revoking or tending to revoke; containing or expressing a revocation
- rheostatic — an adjustable resistor so constructed that its resistance may be changed without opening the circuit in which it is connected, thereby controlling the current in the circuit.
- rhetorical — used for, belonging to, or concerned with mere style or effect.
- rhinotheca — the covering of the upper part of the beak in birds
- rhotacized — to change (a sound) to an (r); subject to rhotacism.
- road racer — a driver, cyclist or athlete who takes part in a road race
- rochambeau — Jean Baptiste Donatien de Vimeur [zhahn ba-teest daw-na-syan duh vee-mœr] /ʒɑ̃ baˈtist dɔ naˈsyɛ̃ də viˈmœr/ (Show IPA), Count de, 1725–1807, French general: marshal of France 1791–1807; commander of the French army in the American Revolution.
- roche alum — an alumlike substance derived from alunite.
- rock brake — any of various ferns of the genera Pellaea and Cryptogramma, which grow on rocky ground and have sori at the ends of the veins
- rock maple — the sugar maple, Acer saccharum.
- rock opera — an album that tells a story through the songs it contains
- rock snake — any large Australasian python of the genus Liasis
- rock-faced — (of a person) having a stiff, expressionless face.
- rocker arm — a rocking or oscillating arm or lever rotating with a moving shaft or pivoted on a stationary shaft.
- rocker cam — a cam with a rocking or reciprocating motion.
- roman pace — an ancient Roman unit of measurement, equal to 5 Roman feet or about 58 U.S. inches (147 cm).
- roof space — the attic space inside a roof
- root cause — origin
- ropedancer — a person who walks across or performs acrobatics upon a rope stretched at some height above the floor or ground.
- routemarch — march in which a unit retains its column formation but individuals are allowed to break step.
- rubiaceous — belonging to the Rubiaceae, the madder family of plants.
- saccharose — sucrose.
- sacerdotal — of priests; priestly.
- sacramento — a state in the W United States, on the Pacific coast. 158,693 sq. mi. (411,015 sq. km). Capital: Sacramento. Abbreviation: CA (for use with zip code), Cal., Calif.
- sacred cow — an individual, organization, institution, etc., considered to be exempt from criticism or questioning.
- samothrace — a Greek island in the NE Aegean.
- saprogenic — producing putrefaction or decay, as certain bacteria.
- sarcodines — belonging or pertaining to the protist phylum Sarcodina, comprising protozoa that move and capture food by forming pseudopodia.
- sarcolemma — the membranous sheath of a muscle fiber.
- sarcopenia — reduction in muscle tissue as a result of ageing
- sarcophile — a flesh-eating animal, especially the Tasmanian devil.
- scaleboard — a very thin board, as for the back of a picture.
- scherzando — (a musical direction) playful; sportive.
- schongauer — Martin [mahr-tn;; German mahr-teen] /ˈmɑr tn;; German ˈmɑr tin/ (Show IPA), c1430–91, German engraver and painter.
- sclerotial — a vegetative, resting food-storage body in certain higher fungi, composed of a compact mass of hardened mycelia.
- score card — sport: card for recording results
- score draw — A score draw is the result of a football match in which both teams score at least one goal, and they score the same number of goals.
- scoreboard — a large, usually rectangular board in a ballpark, sports arena, or the like, that shows the score of a contest and often other relevant facts and figures, as the count of balls and strikes on a baseball batter.
- scorpaenid — belonging or pertaining to the Scorpaenidae, a family of marine fishes with spiny fins, including the rockfishes, scorpionfishes, and lionfishes.
- scorzonera — a plant of the modern genus Scorzonera, esp S. Hispanica or black salsify, cultivated in Europe for its root which is used as a vegetable
- scrapegood — a stingy person; a miser
- scrollable — able to be scrolled