15-letter words containing d, r, e, a
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- radial symmetry — a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
- 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.
- radiant heating — the means of heating objects or persons by radiation in which the intervening air is not heated.
- 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 frequency — the frequency of the transmitting waves of a given radio message or broadcast.
- radio programme — something that is broadcast on 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.
- 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
- 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.
- 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
- raise the devil — Theology. (sometimes initial capital letter) the supreme spirit of evil; Satan. a subordinate evil spirit at enmity with God, and having power to afflict humans both with bodily disease and with spiritual corruption.
- random variable — a quantity that takes any of a set of values with specified probabilities.
- ranfurly shield — (in New Zealand) the premier rugby trophy, competed for annually by provincial teams
- raw-pack method — cold pack (def 2).
- ray-finned fish — any of various bony fishes of the subclass Actinopterygii, having strong slender rays, excluding the coelacanth and lungfish.
- 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
- read-write head — an electromagnetic device, as in a disk or tape drive, that reads data from or writes data on a magnetic disk or tape.
- read/write head — an electromagnetic device, as in a disk or tape drive, that reads data from or writes data on a magnetic disk or tape.
- reading glasses — spectacles
- reading the law — that part of the morning service on Sabbaths, festivals, and Mondays and Thursdays during which a passage is read from the Torah scrolls
- readvertisement — the act or process of advertising something again
- ready-furnished — (of a room, house, office, etc) fitted with furniture before being rented or sold
- 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.
- red-back spider — a venomous spider, Latrodectus hasselti, of Australia and New Zealand, related to the black widow spider and having a bright red stripe on the back.
- red-tailed hawk — a North American hawk, Buteo jamaicensis, dark brown above, whitish with black streaking below, and having a reddish-brown tail.
- 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.