Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z rondel A metric form of verse using two rhymes, usually fourteen 8- to 10-syllable lines in three stanzas, with the first lines of the first stanza returning as refrain of the next two. rondelay roundelay rondelet A metric verse (form), modeled after the rondeau, in two rhymes over seven lines, the first (in four syllables) being repeated as third and refrain (final one), each other line having eight syllables rondeletia Any of the genus Rondeletia of tropical rubiaceous shrubs. rondeletiid Any whalefish in the family Rondeletiidae. rondelle A small circular object. Rondinelli A surname from Italian. rondino Synonym of rondoletto. rondle A rondeau. rondo A musical composition, commonly of a lively, cheerful character, in which the first strain recurs after each of the other strains. rondocubism A form of cubism, in post-World War One Czechoslovakia, that employed more rounded forms rondoletto A simple rondo. rondorfite An isometric-diploidal mineral containing aluminum, calcium, chlorine, hydrogen, iron, magnesium, oxygen, silicon, sodium, and titanium. Rondout An unincorporated community in Libertyville Township, Lake County, Illinois, United States, named after Rondout, NY. rondure A graceful curvature or round object; a ring; a sphere. Rone A surname. roneat Any of several types of xylophone used in traditional Cambodian music. roneo A copying machine using stencils; a mimeograph. Ronette A female given name. Roney A surname. rong A county of Yulin, Guangxi Zhuang autonomous region, China. Ronga A southeastern Bantu language spoken just south of Maputo in Mozambique. Rongalite A chemical compound with molecular formula Na⁺HOCH₂SO₂⁻, used in industrial bleaching and as a reducing agent and antioxidant. Rongchang A district of Chongqing, China. Rongcheng A county-level city of Weihai, Shandong, China. Rongelap An atoll in the Marshall Islands. Rongelapese Of or from Rongelap atoll in the Marshall Islands. Rongerik An unpopulated coral atoll of 17 islands in the Pacific Ocean, located in the Ralik Chain of the Marshall Islands. rongeur An instrument with a sharp-edged, scoop-shaped tip, for gouging out bone. ronggeng A Javanese dancing girl. Rongmei An indigenous Naga ethnic community of Northeast India, living principally in Manipur, Nagaland and Assam. rongorongo An early glyphic writing system of Easter Island, written in reverse boustrophedon and as yet undeciphered. Rongos A barangay of Libmanan, Camarines Sur, Philippines. Ronia A female given name from Swedish. ronidazole An antiprotozoal agent used in veterinary medicine for the treatment of histomoniasis and swine dysentery. ronifibrate A fibrate that is a combined ester of clofibric acid and niacin with 1,3-propanediol. ronin A masterless samurai (who often becomes a mercenary to make ends meet). ronivirus Any virus of the family Roniviridae that typically infect crustaceans Ronja A female given name from Swedish, variant of Ronia. ronk To stink; to smell very bad. ronko A traditional loose-fitting knee-length garment worn by chiefs, blacksmiths, warriors, and secret society officials in certain tribes of Sierra Leone, particularly the Limba, Koranko, and Yalunka, and said to protect against both natural and supernatural weapons when worn in battle. Ronkonkoma A hamlet and census-designated place in the town of Islip, Suffolk County, New York, United States. ronnabit One octillion (10²⁷) bits. SI symbol: Rb. ronnabyte One octillion (10²⁷) bytes. SI symbol: RB. ronnagram An SI unit of mass equal to 10²⁷ grams. Symbol: Rg ronnaliter One octillion (10²⁷) liters. ronnalitre One octillion (10²⁷) litres. ronnametre An SI unit of length equal to 10²⁷ metres. Symbol: Rm ronnaparsec An astronomical unit of distance equal to 10²⁷ parsecs. ronnasecond An SI unit of time equal to 10²⁷ seconds. Symbol: Rs. (= quintillions of years, a hypothetical time span that is meaningless except in speculative contexts such as theoretical physics, philosophy, religion, and humorous hyperbole) ronne A surname. ronneburgite A monoclinic-prismatic reddish brown mineral containing magnesium, manganese, oxygen, potassium, and vanadium. Ronnie A diminutive of the male given name Ronald. Ronniecoln The ship of characters Ronnie Anne Santiago and Lincoln Loud from the animated television series The Loud House. Ronning A surname. Ronny A diminutive of the male given name Ronald. ronquil A perciform marine fish of the family Bathymasteridae, related to the eelpouts and prowfish. Ronquillo A surname from Spanish. Ronsardian Of or relating to the French poet Pierre de Ronsard (1524–1585). Ronsardism The literary style of the French poet Pierre de Ronsard (1524–1585). Ronsardist One who writes in the style of the French poet Pierre de Ronsard (1524–1585). Ronsdorfer Synonym of Zionite (“member of various Protestant Christian religious sects”). Ronsdorfian Synonym of Ronsdorfer. Ronse A town and municipality in East Flanders, Belgium. Ronseal Designates something that does exactly what one would expect or understand from its outward appearance or description. ronson M4 Sherman tank - due to the proclivity of Shermans to burst into flames from a single hit Ronstadt A surname. rontal A type of palm tree, Borassus flabellifer. rontalizumab A humanized monoclonal antibody being investigated for the treatment of systemic lupus erythematosus. rontgenite A mixed carbonate and fluoride of calcium and a lanthanide, typically cerium or lanthanum rontogram An SI unit of mass equal to 10⁻²⁷ grams. Symbol: rg rontosecond An SI unit of time equal to 10⁻²⁷ seconds. Symbol: rs Ronya A female given name from Swedish, variant of Ronia. ronyon A mangy or scabby creature. roo Peace; quietness. rooburger A burger made with kangaroo meat. Roocooyen A native people of French Guiana. rood A crucifix, cross, especially in a church. roodebok A South African antelope, the pallah. Roodepoort A town in the Gauteng province of South Africa. Roodmas Feast of the Cross roof The external covering at the top of a building. roofage Roofing; material used to make a roof, or the roof itself. roofball A game in which players attempt to keep a ball in play by alternately bouncing it off a sloping roof. roofbeam Any of the beams that form a roof. roofbolt A safety bolt installed in the roof of an underground mine. roofbolter A machine for installing roofbolts. roofbox A specially contrived opening above a doorway, usually aligned to mark an astronomical event. roofed Having a roof, or a particular kind of roof. roofer A craftsman who lays, or repairs roofs. roofful A quantity that sits on a roof. roofie Synonym of rohypnol: flunitrazepam, a hypnotic drug (sleeping pill), sometimes used as a date rape drug. roofied Affected by or under the influence of roofies. roofing Material used on the outside of a roof, such as shingles. roofless Without a roof, open to the sky. rooflessness Absence of a roof. rooflet A small roof or covering. rooflike Resembling or characteristic of a roof. roofline The profile of a roof or a series of roofs. roofpeak The peak of a building's roof. roofscape A landscape above ground formed by roofs of buildings. roofspace The space inside a roof (between the roof and the ceiling). roofspall debris from the roof (and walls) of a cave or similar shelter roofstone The stone or rock layer immediately above a coal seam. rooftop The area atop a roof. rooftopper A person who takes selfies or videos with expansive and vertiginous urban views and cityscapes, usually, but not always, from locations restricted to the public. rooftopping A form of urban exploration by accessing a rooftop to acquire skyline photography, often done illegally with the risk of personal injury. rooftree The primary beam of a roof; the ridgepole; hence, the roof itself. roofward Toward the roof. roofwise In the manner of a roof. roofwork Construction work done on a roof. roofy Having roofs. rooibok The impala. rooibos A shrub (Aspalathus linearis) from which a tisane (herbal tea) is made. Rooiels A settlement in Overberg district municipality, Western Cape, South Africa. rooigras A perennial grass, Themeda triandra, that has large red-brown spikelets rooikat caracal rooinek An Englishman, or a South African that speaks English as opposed to Afrikaans. rook A European bird, Corvus frugilegus, of the crow family. Rookard A surname. rooke A surname. rooker A person who rooks (cheats or swindles). rookeried Having a rookery. rookery A colony of breeding birds or other animals. Rookhurst A locality in the MidCoast council area, eastern New South Wales, Australia. rookie An inexperienced recruit, especially in the police or armed forces. rookielike Characteristic of a rookie; amateurish, naive. rooking An act or instance of cheating or swindling. rookish Resembling or characteristic of a rook (bird). rookless Without rooks (the birds). rooklet A little rook (type of bird). rooklike Resembling or characteristic of a rook. rooks A surname. Rookstool A surname from German. rookwise Moving exclusively in cardinal directions, as a rook moves in chess Rookwood A suburb of Sydney in the Cumberland council area, New South Wales, Australia. rooky full of rooks. Rookyard A surname. rool To raggle; to ruffle. roolie Peaceful; still. room An opportunity or scope (to do something). roomage Space; place; room. roomba A robotic vacuum cleaner. roome A surname. roomer A person who rents a room. roomette A small private compartment, for one person, in a railroad sleeping car. roomf A roommate who is also one’s OOMF (a social media follower, most notably on Twitter). roomful The amount that a room can hold, especially the number of people that can fit into a room. roomie A roommate. roomily In a roomy manner; spaciously.