15-letter words starting with ro
- roaring forties — the stormy oceanic areas between 40° and 50° south latitude
- robe-de-chambre — a dressing gown.
- robert guiscard — Robert [French raw-ber] /French rɔˈbɛr/ (Show IPA), (Robert de Hauteville) c1015–85, Norman conqueror in Italy.
- robertson screw — a screw having a square hole in the head into which a screwdriver with a square point (Robertson screwdriver (trademark)) fits
- robin redbreast — robin (defs 1, 2).
- robinson crusoe — Robinson, Robinson Crusoe.
- roche moutonnee — a rounded, glacially eroded rock outcrop, usually one of a group, resembling a sheep's back.
- rochester hills — city in SE Mich., near Detroit: pop. 69,000
- rocket airplane — an airplane propelled wholly or mainly by a rocket engine.
- rocket launcher — a tube attached to a weapon for the launching of rockets.
- rocket research — research into rocket engines for spacecraft
- rockrose family — the plant family Cistaceae, characterized by herbaceous plants and shrubs having simple, usually opposite leaves, solitary or clustered flowers, and capsular fruit, and including the frostweed, pinweed, and rockrose.
- rockwell number — a numerical expression of the hardness of a metal as determined by a test (Rockwell test) made by indenting a test piece with a Brale, or with a steel ball of specific diameter, under two successive loads and measuring the resulting permanent indentation.
- rocky mountains — mountain range in USA and Canada
- rod pumped well — A rod pumped well is a well with a nodding donkey to remove fluid mechanically.
- roentgenography — roentgenogram.
- roentgenoparent — visible by means of x-rays.
- rogation sunday — the fifth Sunday after Easter; it sees the start of the supplications that are continued during the following Monday, Tuesday and Wednesday
- roger bannister — Sir Roger (Gilbert) born 1929, English track and field athlete: first to run a mile in less than four minutes.
- rogues' gallery — a collection of portraits of criminals and suspects maintained by the police for purposes of identification.
- roll in the hay — a document of paper, parchment, or the like, that is or may be rolled up, as for storing; scroll.
- roll one's eyes — to move along a surface by revolving or turning over and over, as a ball or a wheel.
- rolle's theorem — the theorem that a differentiable function having equal values at the endpoints of an interval has a derivative equal to zero at some point in the interval.
- rolled into one — If something is several things rolled into one, it combines the main features or qualities of those things.
- roller cone bit — A roller cone bit is a tool used for crushing rock, which has three cones that rotate, with attached hardened metal teeth which break the rock into small pieces.
- rolling bearing — any bearing in which the antifriction action depends on the rolling action of balls or rollers
- rolling kitchen — a mobile kitchen used for feeding troops outdoors.
- rolling meadows — a city in NE Illinois, near Chicago.
- rolling targets — a series of targets which are reviewed periodically so that they always extend for the same period into the future
- rollmop herring — a herring fillet rolled, usually around onion slices, and pickled in spiced vinegar
- romantic comedy — a light and humorous movie, play, etc., whose central plot is a happy love story.
- romanticization — to make romantic; invest with a romantic character: Many people romanticize the role of an editor.
- romblon islands — a group of islands of the Philippines in the Sibuyan Sea and Tablas Strait, part of the Visayan Islands.
- ronne ice shelf — an ice barrier in Antarctica, in SW Weddell Sea, bordered by Ellsworth Land on the NW and Berkner Island on the E.
- room-and-pillar — noting a means of extracting coal or other minerals from underground deposits by first cutting out rooms, then robbing the pillars between them; pillar-and-breast.
- root and branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
- root-and-branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
- rose of jericho — an Asian plant, Anastatica hierochuntica, of the mustard family, which, after drying and curling up, expands when moistened.
- ross dependency — a territory in Antarctica, including Ross Island, the coasts along the Ross Sea, and adjacent islands: a dependency of New Zealand. About 175,000 sq. mi. (453,250 sq. km).
- rotary debugger — (Commodore) Essential equipment for those late-night or early-morning debugging sessions. Mainly used as sustenance for the hacker. Comes in many decorator colours, such as Sausage, Pepperoni, and Garbage.
- rotary drilling — Rotary drilling is the use of a continuous circular motion of the drill bit to make a hole.
- rouget de lisle — Claude Joseph [klohd zhaw-zef] /kloʊd ʒɔˈzɛf/ (Show IPA), 1760–1836, French army officer and composer of songs: wrote and composed Marseillaise.
- rough and ready — rough, rude, or crude, but good enough for the purpose: a rough-and-ready estimate of future expenses.
- rough bluegrass — a grass, Poa trivialis, native to Eurasia and naturalized in North America, where it is used in mixtures for lawns and pasturage.
- rough breathing — the symbol (ʿ) used in the writing of Greek to indicate aspiration of the initial vowel or of the ρ (rho) over which it is placed.
- rough-and-ready — rough, rude, or crude, but good enough for the purpose: a rough-and-ready estimate of future expenses.
- round and round — following a circuitous or circular course for a comparatively long time, esp vainly
- round character — a character in fiction whose personality, background, motives, and other features are fully delineated by the author.
- round the twist — mad; eccentric
- round whitefish — a whitefish, Prosopium cylindraceum, found in northern North America and Siberia, having silvery sides and a dark bronze back.
On this page, we collect all 15-letter words starting with RO. It’s easy to find right word with a certain length. It is the easiest way to find 15-letter word that beginning with RO to use in Scrabble or Crossword puzzles.