15-letter words containing a, r, o, d
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- radial velocity — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
- radiator grille — a grille in an automobile or the like for air cooling of the liquid in the cooling system.
- radio announcer — someone who broadcasts or presents radio programmes
- radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
- radio broadcast — sth transmitted via radio signal
- radio frequency — the frequency of the transmitting waves of a given radio message or broadcast.
- radio programme — something that is broadcast on radio
- radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radioautography — autoradiography.
- radiochemically — by radiochemical means or methods; from a radiochemical perspective
- radiogoniometer — a device used to detect the direction of radio waves, consisting of a coil that is free to rotate within two fixed coils at right angles to each other
- radiogoniometry — the science of detecting the direction of radio waves
- radioimmunology — the study of biological substances or processes with the aid of antigens or antibodies labeled with a radioactive isotope.
- radiometrically — using a radiometric method, in terms of radiometry
- radiomicrometer — an instrument for measuring small amounts of radiant energy, consisting of a sensitive thermocouple connected to a galvanometer.
- radiophosphorus — phosphorus 32.
- radiophotograph — a photograph or other image transmitted by radio.
- radioprotection — protection against radiation
- radioprotective — giving protection against the effects of radiation
- radiosensitizer — a substance, as a drug, that enhances the sensitivity of tissues or cells to radiation therapy.
- radiotechnology — the technical application of any form of radiation to industry.
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- radiotelemetric — of or relating to radiotelemetry
- ramrod straight — having a very straight figure
- random sampling — a method of selecting a sample (random sample) from a statistical population in such a way that every possible sample that could be selected has a predetermined probability of being selected.
- random variable — a quantity that takes any of a set of values with specified probabilities.
- raw-pack method — cold pack (def 2).
- rayside-balfour — a town in S Ontario, in S Canada.
- re-adjudication — an act of adjudicating.
- re-demonstrated — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- reaccreditation — the act or process of reaccrediting something or someone
- read oneself in — to assume possession of a benefice by publicly reading the Thirty-nine Articles
- realized losses — Realized losses are losses which have occurred upon the sale of an asset.
- recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
- reconsideration — to consider again, especially with a view to change of decision or action: to reconsider a refusal.
- reconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- record-breaking — top, most successful
- recording angel — an angel who supposedly keeps a record of every person's good and bad acts
- red sandal wood — the fragrant heartwood of any of certain Asian trees of the genus Santalum, used for ornamental carving and burned as incense.
- redemonstration — the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration.
- redetermination — the act of coming to a decision or of fixing or settling a purpose.
- rediscount rate — the rate charged by the Federal Reserve Bank to member banks for rediscounting commercial paper.
- redocumentation — The creation or revision of a semantically equivalent representation within the same relative abstraction level. The resulting forms of representation are usually considered alternate views intended for a human audience.
- reduce to tears — If someone or something reduces you to tears, they make you feel so unhappy that you cry.
- reduction ratio — an expression of the number of times by which an original document has been reduced in a microcopy.