11-letter words starting with r

rat-catcher — a person, animal, or thing that catches and exterminates rats, especially a person whose business it is to rid a property of rats.
rat-running — the practice of driving through residential side streets to avoid congested main roads
ratak chain — a chain of islands in the W Pacific Ocean, forming the E part of the Marshall Islands.
ratatouille — a vegetable stew of Provence, typically consisting of eggplant, zucchini, onions, green peppers, tomatoes, and garlic, served hot or cold.
rate rebate — (formerly) a reduction in the amount of rates that a person had to pay
rather than — in preference to
rathskeller — (in Germany) the cellar of a town hall, often used as a beer hall or restaurant.
ratings war — a situation in which each of two or more channels makes a particular effort to attract more viewers or listeners than its rival
ratio scale — a scale of measurement of data which permits the comparison of differences of values; a scale having a fixed zero value. The distances travelled by a projectile, for instance, are measured on a ratio scale since it makes sense to talk of one projectile travelling twice as far as another
ratiocinate — to reason; carry on a process of reasoning.
ration book — a book showing an individual's entitlement to certain rationed goods
ration card — a card showing an individual's entitlement to certain rationed goods
rationalise — to ascribe (one's acts, opinions, etc.) to causes that superficially seem reasonable and valid but that actually are unrelated to the true, possibly unconscious and often less creditable or agreeable causes.
rationalism — the principle or habit of accepting reason as the supreme authority in matters of opinion, belief, or conduct.
rationalist — the principle or habit of accepting reason as the supreme authority in matters of opinion, belief, or conduct.
rationality — the state or quality of being rational.
rationalize — to ascribe (one's acts, opinions, etc.) to causes that superficially seem reasonable and valid but that actually are unrelated to the true, possibly unconscious and often less creditable or agreeable causes.
rats' tails — long greasy strands of hair hanging down
rattle-bush — blue false indigo.
rattlebrain — a giddy, empty-headed, talkative person.
rattlesnake — any of several New World pit vipers of the genera Crotalus and Sistrurus, having a rattle composed of a series of horny, interlocking elements at the end of the tail.
rave review — extremely favourable critique
ravishingly — extremely beautiful or attractive; enchanting; entrancing.
rawoop-snap — (language) An early system on the IBM 1130.
ray casting — (graphics) A simplified form of ray tracing. A ray is fired from each pixel in the view plane, and information is accumulated from all the voxels in the volume data it intersects. Each voxel is first given an associated colour and opacity. The ray is sampled at a fixed number of evenly spaced locations and the colour and opacity are trilinearly interpolated from the eight nearest voxels. These are then composed linearly back to front to give a single colour for the pixel. Ray casting was invented by John Carmack for the game Wolfenstein 3D. It is faster and lower quality than ray tracing, and is ideal for interactive applications. It parallelises well, although random access is needed to the voxels.
ray tracing — (graphics) A technique used in computer graphics to create realistic images by calculating the paths taken by rays of light entering the observer's eye at different angles. The paths are traced backward from the viewpoint, through a point (a pixel) in the image plane until they hit some object in the scene or go off to infinity. Objects are modelled as collections of abutting surfaces which may be rectangles, triangles, or more complicated shapes such as 3D splines. The optical properties of different surfaces (colour, reflectance, transmitance, refraction, texture) also affect how it will contribute to the colour and brightness of the ray. The position, colour, and brightness of light sources, including ambient lighting, is also taken into account. Ray tracing is an ideal application for parallel processing since there are many pixels, each of whose values is independent and can thus be calculated in parallel. Compare: radiosity.
ray's bream — a species of bream Brama brama, common in southern European waters
razor blade — a sharp-edged metal blade for use in a razor.
razor shell — any of various sand-burrowing bivalve molluscs of the genera Ensis and Solen, which have a long tubular shell
razor-edged — having an extremely sharp edge or blade
razor-sharp — blade, etc.: dangerously sharp
razzamatazz — Razzamatazz is the same as razzmatazz.
razzberries — raspberry (def 4).
re-accustom — to familiarize by custom or use; habituate: to accustom oneself to cold weather.
re-acquaint — to make more or less familiar, aware, or conversant (usually followed by with): to acquaint the mayor with our plan.
re-allocate — to set apart for a particular purpose; assign or allot: to allocate funds for new projects.
re-announce — to make known publicly or officially; proclaim; give notice of: to announce a special sale.
re-approval — the act of approving; approbation.
re-argument — the process or act of rearguing a legal case, issue, etc
re-armament — to arm again.
re-creation — the act of creating anew.
re-election — the selection of a person or persons for office by vote.
re-eligible — eligible again, esp able to re-elected for an office or function
re-emergent — coming into view or notice; issuing.
re-emission — the quality or state of being re-emitted; the re-emitting of something
re-emphasis — special stress laid upon, or importance attached to, anything: The president's statement gave emphasis to the budgetary crisis.
re-energize — to give energy to; rouse into activity: to energize the spirit with brave words.
re-engineer — to redesign, plan or construct again (as a professional engineer)
re-enthrone — to enthrone (a king, queen, etc) again
re-entrance — the act of re-entering

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