10-letter words containing d, o, r, a
- quadrupole — a set of four associated positive and negative electric charges or two associated magnetic dipoles
- quasiorder — (set theory) A preorder.
- rabdomancy — Alt form rhabdomancy.
- racked out — a framework of bars, wires, or pegs on which articles are arranged or deposited: a clothes rack; a luggage rack.
- radarscope — the viewing screen of radar equipment.
- radication — the act or process of taking root
- radiciform — resembling a root
- radiculose — having small roots or rhizoids
- radio beam — beam (def 12).
- radio link — radio communication setup
- radio mast — transmission tower
- radio play — a play written for broadcasting on radio
- radio star — a radio source.
- radio taxi — a taxi in two-way radio communication with a dispatcher, who sends it directly to persons who phone in for a taxi.
- radio tube — a vacuum tube used in a radio receiving set.
- radio wave — an electromagnetic wave having a wavelength between 1 millimeter and 30,000 meters, or a frequency between 10 kilohertz and 300,000 megahertz.
- radiogenic — Physics. produced by radioactive decay: radiogenic lead; radiogenic heat.
- radiograph — Also called shadowgraph. a photographic image produced by the action of x-rays or nuclear radiation.
- radiolabel — label (def 12).
- radiologic — of or relating to radiology.
- radiolysis — the dissociation of molecules by ionizing radiation.
- radiolytic — the dissociation of molecules by ionizing radiation.
- radiometer — Also called Crookes radiometer. an instrument for demonstrating the transformation of radiant energy into mechanical work, consisting of an exhausted glass vessel containing vanes that revolve about an axis when exposed to light.
- radiopager — a small radio receiver fitted with a buzzer to alert a person to telephone their home, office, etc, to receive a message
- radiopaque — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- radiophare — a radiotelegraphic station used by vessels to determine their positions; radio beacon.
- radiophone — a radiotelephone.
- radiophoto — an image created by radio waves rather than light
- radioscope — an instrument, such as a fluoroscope, capable of detecting radiant energy
- radioscopy — the examination of objects opaque to light by means of another form of radiation, usually x-rays.
- radiosonde — an instrument that is carried aloft by a balloon to send back information on atmospheric temperature, pressure, and humidity by means of a small radio transmitter.
- radiotoxic — causing radiation sickness.
- radius rod — (in a feathering paddle wheel) any of the rods, meeting in a hub mounted eccentrically with the paddle-wheel shaft, for feathering the paddles while in the water.
- raduliform — rasp-like
- railroaded — 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.
- railroader — a person employed in the operation or management of a railroad.
- rain cloud — a cloud or a mass of clouds that yields rain.
- rain-cloud — a cloud or a mass of clouds that yields rain.
- rained off — cancelled or postponed on account of rain
- raised bog — a bog of convex shape produced by growth of sphagnum and other bog plants in acid conditions and the subsequent build up of acid peat
- randomness — proceeding, made, or occurring without definite aim, reason, or pattern: the random selection of numbers.
- randomwise — in a random manner
- rated load — the load a machine or vehicle is rated to carry.
- rawinsonde — a method of upper-atmosphere meteorological observation conducted by means of a radiosonde tracked by radar.
- razor edge — a very sharp edge given to a blade
- razorblade — a sharp-edged metal blade for use in a razor.
- re-adjourn — to suspend the meeting of (a club, legislature, committee, etc.) to a future time, another place, or indefinitely: to adjourn the court.
- read up on — If you read up on a subject, you read a lot about it so that you become informed about it.
- readoption — the adoption of something or someone again
- ready room — a room in which members of an aircrew await their orders for takeoff.