| radiotelemetry |
Any form of telemetry that uses radio waves to transmit the data |
| radiotelephone |
a device that allows two-way communication via radio |
| radiotelephony |
The transmission of sound (in both directions) using modulated radio waves rather than wires |
| radioteletype |
A communication system consisting of teletypewriters linked by radio |
| radioteletypewriter |
A teletypewriter connected to a radio as part of a radioteletype system. |
| radioteletypewriters |
|
| radiotherapy |
The therapeutic use of ionizing radiation. Radiotherapy is almost exclusively used for the treatment of malignant disease. |
| radiothorium |
The radioactive isotope thorium-228 |
| radiotoxic |
Of or pertaining to a substance that is toxic and radioactive. |
| radiotoxicity |
The state of being radiotoxic. |
| radiotracer |
A radioactive tracer; a radiolabel |
| radiotracers |
|
| radious |
radiant |
| radiovision |
An early television system. |
| radish |
A plant of the Brassicaceae family, Raphanus sativus, having an edible root |
| radishes |
|
| radium |
a radioactive metallic chemical element (symbol Ra) with an atomic number of 88. |
| radius |
The long bone in the forearm, on the side of the thumb. |
| radix |
A primitive word, from which spring other words. |
| radix complement |
The number which, added to the given n-digit number in radix r, results in r^n. In binary (r=2), this is the two's complement. |
| radix graminis |
the root of couch grass once used medicinally |
| Radnorshire |
An inland traditional county of Wales, bounded to the north by Montgomeryshire and Shropshire, to the east by Herefordshire, to the south by Brecknockshire and to the west by Cardiganshire. |
| radome |
A radar dome. |
| radomes |
|
| radon |
A radioactive chemical element (symbol Rn, formerly Ro) with atomic number 86, one of the noble gases. |
| radon seed |
a small glass or gold tube, containing radon gas, implanted in a patient as radiotherapy |
| radzimir |
a black silk fabric once used for mourning clothes |
| RAF |
Royal Air Force |
| RAFA |
Royal Air Force Association |
| rafale |
a short, violent burst of artillery fire |
| raffia |
A fibrous material used for tying plants, said to come from the leaves of a palm tree of the genus Raphia. |
| raffinate |
a solution from which some material has been removed by extraction with an immiscible liquid |
| raffinates |
|
| raffish |
characterized by careless unconventionality; rakish |
| raffle |
A drawing, often held as a fundraiser, in which tickets or chances are sold to win a prize. |
| rafflesia |
Any of several large parasitic plants, of the genus Rafflesia, from South East Asia, that have no roots, stems or leaves; Rafflesia arnoldii has the largest known flower with a diameter of over a yard. |
| rafflesias |
|
| RAFO |
Read and find out |
| rafsi |
an affix used in Lojban language to make lujvo (Lojban compound words) |
| raft |
A flat structure made of planks, barrels etc., that floats on water, and is used for transport, emergencies or a platform for swimmers. |
| rafter |
one of the sloping beams that support a pitched roof |
| rafters |
|
| rafting |
|
| rafts |
|
| rag |
A piece of cloth torn off; a tattered piece of cloth; a shred; a tatter; a fragment. |
| rag and bone man |
a man who deals in scrap metal and recycled junk. |
| rag and bone men |
|
| rag week |
(British) An annual event in many (mainly British) universities where students engage in unusual activities to raise money for charity. |
| raga |
the very detailed melodic mode used in Indian classical music. |
| ragamuffin |
A dirty, shabbily-clothed child; an urchin. |
