11-letter words containing a, n, d, r, o, i
- promenading — a stroll or walk, especially in a public place, as for pleasure or display.
- pyrovanadic — of or relating to an acid of vanadium
- quadrasonic — 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.
- quadrillion — a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
- quadripoint — A point at which four borders meet.
- radio knife — an electrical instrument for cutting tissue that by searing severed blood vessels seals them and prevents bleeding.
- radiocarbon — Also called carbon 14. a radioactive isotope of carbon with mass number 14 and a half-life of about 5730 years: widely used in the dating of organic materials.
- radioiodine — any of nine radioisotopes of iodine, especially iodine 131 and iodine 125, used as radioactive tracers in research and clinical diagnosis and treatment.
- radiolarian — any minute, marine protozoan of the class Radiolaria, or, in some classification schemes, the superclass Actinopoda, having an amebalike body with radiating, filamentous pseudopodia and a usually elaborate outer skeleton.
- radiolucent — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- radiophonic — a radiotelephone.
- radiovision — television.
- radix point — a point, such as the decimal point in the decimal system, separating the integral part of a number from the fractional part
- radnorshire — a historic county in Powys, in E Wales.
- railroading — a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail.
- rain shadow — a region in the lee of mountains that receives less rainfall than the region windward of the mountains.
- raking bond — a brickwork bond in which concealed courses of diagonally laid bricks are used to bond exposed brickwork to the wall structure.
- random line — a trial survey line run from a station toward a predetermined point that cannot be seen from the station.
- ration card — a card showing an individual's entitlement to certain rationed goods
- readmission — the act of allowing to enter; entrance granted by permission, by provision or existence of pecuniary means, or by the removal of obstacles: the admission of aliens into a country.
- reappointed — to name or assign to a position, an office, or the like; designate: to appoint a new treasurer; to appoint a judge to the bench.
- rear window — the window at the back of a motor vehicle
- recordation — the act or process of recording: the recordation of documents pertaining to copyright ownership.
- redactional — to put into suitable literary form; revise; edit.
- reductional — of, characterized by, or relating to reduction
- reeducation — to educate again, as for new purposes.
- rehydration — to restore moisture or fluid to (something dehydrated).
- remediation — the correction of something bad or defective.
- reoxidation — the process or result of oxidizing.
- repudiation — the act of repudiating.
- reradiation — Physics. radiation emitted as a consequence of a previous absorption of radiation.
- restationed — a place or position in which a person or thing is normally located.
- retardation — the act of retarding or state of being retarded.
- retinal rod — any of the elongated cylindrical cells in the retina of the eye, containing the visual purple (rhodopsin), which are sensitive to dim light but not to colour
- road racing — a competitive event of racing in automobiles, motorcycles, or bicycles over public roads or a twisting course simulating a public road, as opposed to a closed, banked track or a drag strip.
- roadholding — A vehicle's roadholding is how easy it is to control safely in difficult driving conditions or when going round bends.
- robbinsdale — a city in SE Minnesota, near Minneapolis.
- rock island — a port in NW Illinois, on the Mississippi: government arsenal.
- rod bearing — a bearing in the metal shaft that transmits power in axial reciprocating motion
- roman blind — a window blind consisting of a length of material which, when drawn up, gathers into horizontal folds from the bottom
- ropedancing — the act of dancing on a rope
- ross island — an island in the W Ross Sea, off the coast of Victoria Land: part of the Ross Dependency; location of Mt. Erebus.
- salvadorian — El Salvador.
- sarcodinian — belonging or pertaining to the protist phylum Sarcodina, comprising protozoa that move and capture food by forming pseudopodia.
- sardonicism — characterized by bitter or scornful derision; mocking; cynical; sneering: a sardonic grin.
- sauropsidan — relating to the Sauropsida or animals belonging to the Sauriodea group in Huxley's classification
- scorpaenoid — resembling or related to the family Scorpaenidae.
- secondarily — next after the first in order, place, time, etc.
- seditionary — of or relating to sedition; seditious.
- sideropenia — a lack of iron in the body